Home / 56,387.04-84,445.80-31,364.96

Finding the Fourth Proportional to 56,387.04, 84,445.80 and 31,364.96

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Solution

The fourth proportional to 56,387.04, 84,445.80 and 31,364.96 is: 46,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.04 : 84,445.80 = 31,364.96 : x
  2. Step 2: Convert to fraction form
    56,387.04/84,445.80 = 31,364.96/x
  3. Step 3: Cross multiply
    56,387.04x = 84,445.80 × 31,364.96
  4. Step 4: Simplify right side
    56,387.04x = 2,648,639,139.17
  5. Step 5: Solve for x
    x = 2,648,639,139.17/56,387.04
  6. Step 6: Final answer
    x = 46,972.48

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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.