Home / 39,478.12-59,240.50-14,535.68

Finding the Fourth Proportional to 39,478.12, 59,240.50 and 14,535.68

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Solution

The fourth proportional to 39,478.12, 59,240.50 and 14,535.68 is: 21,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.12 : 59,240.50 = 14,535.68 : x
  2. Step 2: Convert to fraction form
    39,478.12/59,240.50 = 14,535.68/x
  3. Step 3: Cross multiply
    39,478.12x = 59,240.50 × 14,535.68
  4. Step 4: Simplify right side
    39,478.12x = 861,100,951.04
  5. Step 5: Solve for x
    x = 861,100,951.04/39,478.12
  6. Step 6: Final answer
    x = 21,812.11

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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.