Home / 39,158.40-58,737.60-36,307.20

Finding the Fourth Proportional to 39,158.40, 58,737.60 and 36,307.20

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Solution

The fourth proportional to 39,158.40, 58,737.60 and 36,307.20 is: 54,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.40 : 58,737.60 = 36,307.20 : x
  2. Step 2: Convert to fraction form
    39,158.40/58,737.60 = 36,307.20/x
  3. Step 3: Cross multiply
    39,158.40x = 58,737.60 × 36,307.20
  4. Step 4: Simplify right side
    39,158.40x = 2,132,597,790.72
  5. Step 5: Solve for x
    x = 2,132,597,790.72/39,158.40
  6. Step 6: Final answer
    x = 54,460.80

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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.