Home / 56,843.46-78,444.15-31,693.86

Finding the Fourth Proportional to 56,843.46, 78,444.15 and 31,693.86

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Solution

The fourth proportional to 56,843.46, 78,444.15 and 31,693.86 is: 43,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,843.46 : 78,444.15 = 31,693.86 : x
  2. Step 2: Convert to fraction form
    56,843.46/78,444.15 = 31,693.86/x
  3. Step 3: Cross multiply
    56,843.46x = 78,444.15 × 31,693.86
  4. Step 4: Simplify right side
    56,843.46x = 2,486,197,907.92
  5. Step 5: Solve for x
    x = 2,486,197,907.92/56,843.46
  6. Step 6: Final answer
    x = 43,737.62

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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.