Home / 55,614.12-76,710-34,403.88

Finding the Fourth Proportional to 55,614.12, 76,710 and 34,403.88

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Solution

The fourth proportional to 55,614.12, 76,710 and 34,403.88 is: 47,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.12 : 76,710 = 34,403.88 : x
  2. Step 2: Convert to fraction form
    55,614.12/76,710 = 34,403.88/x
  3. Step 3: Cross multiply
    55,614.12x = 76,710 × 34,403.88
  4. Step 4: Simplify right side
    55,614.12x = 2,639,121,634.80
  5. Step 5: Solve for x
    x = 2,639,121,634.80/55,614.12
  6. Step 6: Final answer
    x = 47,454.17

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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.