Home / 55,587.60-76,728.68-32,925.20

Finding the Fourth Proportional to 55,587.60, 76,728.68 and 32,925.20

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Solution

The fourth proportional to 55,587.60, 76,728.68 and 32,925.20 is: 45,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.60 : 76,728.68 = 32,925.20 : x
  2. Step 2: Convert to fraction form
    55,587.60/76,728.68 = 32,925.20/x
  3. Step 3: Cross multiply
    55,587.60x = 76,728.68 × 32,925.20
  4. Step 4: Simplify right side
    55,587.60x = 2,526,307,134.74
  5. Step 5: Solve for x
    x = 2,526,307,134.74/55,587.60
  6. Step 6: Final answer
    x = 45,447.31

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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.