Home / 39,376.20-59,064.30-20,713.80

Finding the Fourth Proportional to 39,376.20, 59,064.30 and 20,713.80

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Solution

The fourth proportional to 39,376.20, 59,064.30 and 20,713.80 is: 31,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.20 : 59,064.30 = 20,713.80 : x
  2. Step 2: Convert to fraction form
    39,376.20/59,064.30 = 20,713.80/x
  3. Step 3: Cross multiply
    39,376.20x = 59,064.30 × 20,713.80
  4. Step 4: Simplify right side
    39,376.20x = 1,223,446,097.34
  5. Step 5: Solve for x
    x = 1,223,446,097.34/39,376.20
  6. Step 6: Final answer
    x = 31,070.70

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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.