Home / 56,015.28-77,306.40-32,147.28

Finding the Fourth Proportional to 56,015.28, 77,306.40 and 32,147.28

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Solution

The fourth proportional to 56,015.28, 77,306.40 and 32,147.28 is: 44,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,015.28 : 77,306.40 = 32,147.28 : x
  2. Step 2: Convert to fraction form
    56,015.28/77,306.40 = 32,147.28/x
  3. Step 3: Cross multiply
    56,015.28x = 77,306.40 × 32,147.28
  4. Step 4: Simplify right side
    56,015.28x = 2,485,190,486.59
  5. Step 5: Solve for x
    x = 2,485,190,486.59/56,015.28
  6. Step 6: Final answer
    x = 44,366.30

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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.