Home / 40,429.70-60,644.55-38,615.30

Finding the Fourth Proportional to 40,429.70, 60,644.55 and 38,615.30

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Solution

The fourth proportional to 40,429.70, 60,644.55 and 38,615.30 is: 57,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.70 : 60,644.55 = 38,615.30 : x
  2. Step 2: Convert to fraction form
    40,429.70/60,644.55 = 38,615.30/x
  3. Step 3: Cross multiply
    40,429.70x = 60,644.55 × 38,615.30
  4. Step 4: Simplify right side
    40,429.70x = 2,341,807,491.62
  5. Step 5: Solve for x
    x = 2,341,807,491.62/40,429.70
  6. Step 6: Final answer
    x = 57,922.95

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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.