Home / 32,708.96-45,124.59-20,587.97

Finding the Fourth Proportional to 32,708.96, 45,124.59 and 20,587.97

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Solution

The fourth proportional to 32,708.96, 45,124.59 and 20,587.97 is: 28,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.96 : 45,124.59 = 20,587.97 : x
  2. Step 2: Convert to fraction form
    32,708.96/45,124.59 = 20,587.97/x
  3. Step 3: Cross multiply
    32,708.96x = 45,124.59 × 20,587.97
  4. Step 4: Simplify right side
    32,708.96x = 929,023,895.20
  5. Step 5: Solve for x
    x = 929,023,895.20/32,708.96
  6. Step 6: Final answer
    x = 28,402.73

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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.