Home / 56,437.54-77,883.92-31,287.04

Finding the Fourth Proportional to 56,437.54, 77,883.92 and 31,287.04

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Solution

The fourth proportional to 56,437.54, 77,883.92 and 31,287.04 is: 43,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437.54 : 77,883.92 = 31,287.04 : x
  2. Step 2: Convert to fraction form
    56,437.54/77,883.92 = 31,287.04/x
  3. Step 3: Cross multiply
    56,437.54x = 77,883.92 × 31,287.04
  4. Step 4: Simplify right side
    56,437.54x = 2,436,757,163.96
  5. Step 5: Solve for x
    x = 2,436,757,163.96/56,437.54
  6. Step 6: Final answer
    x = 43,176.18

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1.5x scale

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.