Home / 38,117.86-52,595.85-21,347.62

Finding the Fourth Proportional to 38,117.86, 52,595.85 and 21,347.62

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Solution

The fourth proportional to 38,117.86, 52,595.85 and 21,347.62 is: 29,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.86 : 52,595.85 = 21,347.62 : x
  2. Step 2: Convert to fraction form
    38,117.86/52,595.85 = 21,347.62/x
  3. Step 3: Cross multiply
    38,117.86x = 52,595.85 × 21,347.62
  4. Step 4: Simplify right side
    38,117.86x = 1,122,796,219.38
  5. Step 5: Solve for x
    x = 1,122,796,219.38/38,117.86
  6. Step 6: Final answer
    x = 29,455.91

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Half scale
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Double scale
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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.