Home / 40,451.46-55,695.98-34,389.77

Finding the Fourth Proportional to 40,451.46, 55,695.98 and 34,389.77

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Solution

The fourth proportional to 40,451.46, 55,695.98 and 34,389.77 is: 47,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.46 : 55,695.98 = 34,389.77 : x
  2. Step 2: Convert to fraction form
    40,451.46/55,695.98 = 34,389.77/x
  3. Step 3: Cross multiply
    40,451.46x = 55,695.98 × 34,389.77
  4. Step 4: Simplify right side
    40,451.46x = 1,915,371,909.42
  5. Step 5: Solve for x
    x = 1,915,371,909.42/40,451.46
  6. Step 6: Final answer
    x = 47,349.88

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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.