Home / 55,612.24-76,741.92-30,456.88

Finding the Fourth Proportional to 55,612.24, 76,741.92 and 30,456.88

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Solution

The fourth proportional to 55,612.24, 76,741.92 and 30,456.88 is: 42,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.24 : 76,741.92 = 30,456.88 : x
  2. Step 2: Convert to fraction form
    55,612.24/76,741.92 = 30,456.88/x
  3. Step 3: Cross multiply
    55,612.24x = 76,741.92 × 30,456.88
  4. Step 4: Simplify right side
    55,612.24x = 2,337,319,448.41
  5. Step 5: Solve for x
    x = 2,337,319,448.41/55,612.24
  6. Step 6: Final answer
    x = 42,028.87

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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.