Home / 56,254.68-77,631.12-31,104

Finding the Fourth Proportional to 56,254.68, 77,631.12 and 31,104

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Solution

The fourth proportional to 56,254.68, 77,631.12 and 31,104 is: 42,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254.68 : 77,631.12 = 31,104 : x
  2. Step 2: Convert to fraction form
    56,254.68/77,631.12 = 31,104/x
  3. Step 3: Cross multiply
    56,254.68x = 77,631.12 × 31,104
  4. Step 4: Simplify right side
    56,254.68x = 2,414,638,356.48
  5. Step 5: Solve for x
    x = 2,414,638,356.48/56,254.68
  6. Step 6: Final answer
    x = 42,923.33

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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.