Home / 34,236.14-47,248.10-19,128.89

Finding the Fourth Proportional to 34,236.14, 47,248.10 and 19,128.89

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Solution

The fourth proportional to 34,236.14, 47,248.10 and 19,128.89 is: 26,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236.14 : 47,248.10 = 19,128.89 : x
  2. Step 2: Convert to fraction form
    34,236.14/47,248.10 = 19,128.89/x
  3. Step 3: Cross multiply
    34,236.14x = 47,248.10 × 19,128.89
  4. Step 4: Simplify right side
    34,236.14x = 903,803,707.61
  5. Step 5: Solve for x
    x = 903,803,707.61/34,236.14
  6. Step 6: Final answer
    x = 26,399.11

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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.