Home / 56,971.29-78,613.66-31,476.13

Finding the Fourth Proportional to 56,971.29, 78,613.66 and 31,476.13

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Solution

The fourth proportional to 56,971.29, 78,613.66 and 31,476.13 is: 43,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.29 : 78,613.66 = 31,476.13 : x
  2. Step 2: Convert to fraction form
    56,971.29/78,613.66 = 31,476.13/x
  3. Step 3: Cross multiply
    56,971.29x = 78,613.66 × 31,476.13
  4. Step 4: Simplify right side
    56,971.29x = 2,474,453,781.94
  5. Step 5: Solve for x
    x = 2,474,453,781.94/56,971.29
  6. Step 6: Final answer
    x = 43,433.35

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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.