Home / 55,856.79-77,080.28-31,966.52

Finding the Fourth Proportional to 55,856.79, 77,080.28 and 31,966.52

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Solution

The fourth proportional to 55,856.79, 77,080.28 and 31,966.52 is: 44,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,856.79 : 77,080.28 = 31,966.52 : x
  2. Step 2: Convert to fraction form
    55,856.79/77,080.28 = 31,966.52/x
  3. Step 3: Cross multiply
    55,856.79x = 77,080.28 × 31,966.52
  4. Step 4: Simplify right side
    55,856.79x = 2,463,987,766.99
  5. Step 5: Solve for x
    x = 2,463,987,766.99/55,856.79
  6. Step 6: Final answer
    x = 44,112.59

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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.