Home / 56,508.96-77,982.88-31,360.08

Finding the Fourth Proportional to 56,508.96, 77,982.88 and 31,360.08

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Solution

The fourth proportional to 56,508.96, 77,982.88 and 31,360.08 is: 43,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.96 : 77,982.88 = 31,360.08 : x
  2. Step 2: Convert to fraction form
    56,508.96/77,982.88 = 31,360.08/x
  3. Step 3: Cross multiply
    56,508.96x = 77,982.88 × 31,360.08
  4. Step 4: Simplify right side
    56,508.96x = 2,445,549,355.43
  5. Step 5: Solve for x
    x = 2,445,549,355.43/56,508.96
  6. Step 6: Final answer
    x = 43,277.20

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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.