Home / 55,695.08-76,859.16-30,546.20

Finding the Fourth Proportional to 55,695.08, 76,859.16 and 30,546.20

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Solution

The fourth proportional to 55,695.08, 76,859.16 and 30,546.20 is: 42,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.08 : 76,859.16 = 30,546.20 : x
  2. Step 2: Convert to fraction form
    55,695.08/76,859.16 = 30,546.20/x
  3. Step 3: Cross multiply
    55,695.08x = 76,859.16 × 30,546.20
  4. Step 4: Simplify right side
    55,695.08x = 2,347,755,273.19
  5. Step 5: Solve for x
    x = 2,347,755,273.19/55,695.08
  6. Step 6: Final answer
    x = 42,153.73

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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.