Home / 56,437.79-77,884.26-31,287.29

Finding the Fourth Proportional to 56,437.79, 77,884.26 and 31,287.29

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Solution

The fourth proportional to 56,437.79, 77,884.26 and 31,287.29 is: 43,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437.79 : 77,884.26 = 31,287.29 : x
  2. Step 2: Convert to fraction form
    56,437.79/77,884.26 = 31,287.29/x
  3. Step 3: Cross multiply
    56,437.79x = 77,884.26 × 31,287.29
  4. Step 4: Simplify right side
    56,437.79x = 2,436,787,429.06
  5. Step 5: Solve for x
    x = 2,436,787,429.06/56,437.79
  6. Step 6: Final answer
    x = 43,176.52

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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.