Home / 39,471.27-59,210.90-12,816.15

Finding the Fourth Proportional to 39,471.27, 59,210.90 and 12,816.15

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Solution

The fourth proportional to 39,471.27, 59,210.90 and 12,816.15 is: 19,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.27 : 59,210.90 = 12,816.15 : x
  2. Step 2: Convert to fraction form
    39,471.27/59,210.90 = 12,816.15/x
  3. Step 3: Cross multiply
    39,471.27x = 59,210.90 × 12,816.15
  4. Step 4: Simplify right side
    39,471.27x = 758,855,711.95
  5. Step 5: Solve for x
    x = 758,855,711.95/39,471.27
  6. Step 6: Final answer
    x = 19,225.52

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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.