Home / 34,230.16-47,236.14-19,122.76

Finding the Fourth Proportional to 34,230.16, 47,236.14 and 19,122.76

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Solution

The fourth proportional to 34,230.16, 47,236.14 and 19,122.76 is: 26,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,230.16 : 47,236.14 = 19,122.76 : x
  2. Step 2: Convert to fraction form
    34,230.16/47,236.14 = 19,122.76/x
  3. Step 3: Cross multiply
    34,230.16x = 47,236.14 × 19,122.76
  4. Step 4: Simplify right side
    34,230.16x = 903,285,368.55
  5. Step 5: Solve for x
    x = 903,285,368.55/34,230.16
  6. Step 6: Final answer
    x = 26,388.58

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Half scale
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Double scale
Find fourth proportional to 34,231.16, 47,237.52 and 19,123.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.