Home / 56,248.32-77,623.20-31,099.20

Finding the Fourth Proportional to 56,248.32, 77,623.20 and 31,099.20

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Solution

The fourth proportional to 56,248.32, 77,623.20 and 31,099.20 is: 42,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.32 : 77,623.20 = 31,099.20 : x
  2. Step 2: Convert to fraction form
    56,248.32/77,623.20 = 31,099.20/x
  3. Step 3: Cross multiply
    56,248.32x = 77,623.20 × 31,099.20
  4. Step 4: Simplify right side
    56,248.32x = 2,414,019,421.44
  5. Step 5: Solve for x
    x = 2,414,019,421.44/56,248.32
  6. Step 6: Final answer
    x = 42,917.18

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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.