Home / 56,454.72-77,943.20-36,320.96

Finding the Fourth Proportional to 56,454.72, 77,943.20 and 36,320.96

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Solution

The fourth proportional to 56,454.72, 77,943.20 and 36,320.96 is: 50,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454.72 : 77,943.20 = 36,320.96 : x
  2. Step 2: Convert to fraction form
    56,454.72/77,943.20 = 36,320.96/x
  3. Step 3: Cross multiply
    56,454.72x = 77,943.20 × 36,320.96
  4. Step 4: Simplify right side
    56,454.72x = 2,830,971,849.47
  5. Step 5: Solve for x
    x = 2,830,971,849.47/56,454.72
  6. Step 6: Final answer
    x = 50,145.88

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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.