Home / 67,484.48-93,124.50-40,635.68

Finding the Fourth Proportional to 67,484.48, 93,124.50 and 40,635.68

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Solution

The fourth proportional to 67,484.48, 93,124.50 and 40,635.68 is: 56,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,484.48 : 93,124.50 = 40,635.68 : x
  2. Step 2: Convert to fraction form
    67,484.48/93,124.50 = 40,635.68/x
  3. Step 3: Cross multiply
    67,484.48x = 93,124.50 × 40,635.68
  4. Step 4: Simplify right side
    67,484.48x = 3,784,177,382.16
  5. Step 5: Solve for x
    x = 3,784,177,382.16/67,484.48
  6. Step 6: Final answer
    x = 56,074.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.