Home / 55,488.08-76,613.64-34,296.40

Finding the Fourth Proportional to 55,488.08, 76,613.64 and 34,296.40

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Solution

The fourth proportional to 55,488.08, 76,613.64 and 34,296.40 is: 47,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.08 : 76,613.64 = 34,296.40 : x
  2. Step 2: Convert to fraction form
    55,488.08/76,613.64 = 34,296.40/x
  3. Step 3: Cross multiply
    55,488.08x = 76,613.64 × 34,296.40
  4. Step 4: Simplify right side
    55,488.08x = 2,627,572,042.90
  5. Step 5: Solve for x
    x = 2,627,572,042.90/55,488.08
  6. Step 6: Final answer
    x = 47,353.81

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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.