Home / 39,713.20-59,569.80-12,011.20

Finding the Fourth Proportional to 39,713.20, 59,569.80 and 12,011.20

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Solution

The fourth proportional to 39,713.20, 59,569.80 and 12,011.20 is: 18,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.20 : 59,569.80 = 12,011.20 : x
  2. Step 2: Convert to fraction form
    39,713.20/59,569.80 = 12,011.20/x
  3. Step 3: Cross multiply
    39,713.20x = 59,569.80 × 12,011.20
  4. Step 4: Simplify right side
    39,713.20x = 715,504,781.76
  5. Step 5: Solve for x
    x = 715,504,781.76/39,713.20
  6. Step 6: Final answer
    x = 18,016.80

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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.