Home / 55,608.59-76,739.85-30,458.09

Finding the Fourth Proportional to 55,608.59, 76,739.85 and 30,458.09

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Solution

The fourth proportional to 55,608.59, 76,739.85 and 30,458.09 is: 42,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,608.59 : 76,739.85 = 30,458.09 : x
  2. Step 2: Convert to fraction form
    55,608.59/76,739.85 = 30,458.09/x
  3. Step 3: Cross multiply
    55,608.59x = 76,739.85 × 30,458.09
  4. Step 4: Simplify right side
    55,608.59x = 2,337,348,874.19
  5. Step 5: Solve for x
    x = 2,337,348,874.19/55,608.59
  6. Step 6: Final answer
    x = 42,032.16

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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.