Home / 39,747.79-59,624.45-13,443.64

Finding the Fourth Proportional to 39,747.79, 59,624.45 and 13,443.64

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Solution

The fourth proportional to 39,747.79, 59,624.45 and 13,443.64 is: 20,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.79 : 59,624.45 = 13,443.64 : x
  2. Step 2: Convert to fraction form
    39,747.79/59,624.45 = 13,443.64/x
  3. Step 3: Cross multiply
    39,747.79x = 59,624.45 × 13,443.64
  4. Step 4: Simplify right side
    39,747.79x = 801,569,573.78
  5. Step 5: Solve for x
    x = 801,569,573.78/39,747.79
  6. Step 6: Final answer
    x = 20,166.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.