Home / 39,661.38-59,343.84-39,218.58

Finding the Fourth Proportional to 39,661.38, 59,343.84 and 39,218.58

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Solution

The fourth proportional to 39,661.38, 59,343.84 and 39,218.58 is: 58,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.38 : 59,343.84 = 39,218.58 : x
  2. Step 2: Convert to fraction form
    39,661.38/59,343.84 = 39,218.58/x
  3. Step 3: Cross multiply
    39,661.38x = 59,343.84 × 39,218.58
  4. Step 4: Simplify right side
    39,661.38x = 2,327,381,136.55
  5. Step 5: Solve for x
    x = 2,327,381,136.55/39,661.38
  6. Step 6: Final answer
    x = 58,681.29

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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.