Home / 42,411.60-63,617.40-37,818.90

Finding the Fourth Proportional to 42,411.60, 63,617.40 and 37,818.90

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Solution

The fourth proportional to 42,411.60, 63,617.40 and 37,818.90 is: 56,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411.60 : 63,617.40 = 37,818.90 : x
  2. Step 2: Convert to fraction form
    42,411.60/63,617.40 = 37,818.90/x
  3. Step 3: Cross multiply
    42,411.60x = 63,617.40 × 37,818.90
  4. Step 4: Simplify right side
    42,411.60x = 2,405,940,088.86
  5. Step 5: Solve for x
    x = 2,405,940,088.86/42,411.60
  6. Step 6: Final answer
    x = 56,728.35

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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.