Home / 55,108.16-76,050.12-29,957.72

Finding the Fourth Proportional to 55,108.16, 76,050.12 and 29,957.72

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Solution

The fourth proportional to 55,108.16, 76,050.12 and 29,957.72 is: 41,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.16 : 76,050.12 = 29,957.72 : x
  2. Step 2: Convert to fraction form
    55,108.16/76,050.12 = 29,957.72/x
  3. Step 3: Cross multiply
    55,108.16x = 76,050.12 × 29,957.72
  4. Step 4: Simplify right side
    55,108.16x = 2,278,288,200.93
  5. Step 5: Solve for x
    x = 2,278,288,200.93/55,108.16
  6. Step 6: Final answer
    x = 41,342.12

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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.