Home / 32,939.76-45,445.66-18,597.90

Finding the Fourth Proportional to 32,939.76, 45,445.66 and 18,597.90

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Solution

The fourth proportional to 32,939.76, 45,445.66 and 18,597.90 is: 25,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.76 : 45,445.66 = 18,597.90 : x
  2. Step 2: Convert to fraction form
    32,939.76/45,445.66 = 18,597.90/x
  3. Step 3: Cross multiply
    32,939.76x = 45,445.66 × 18,597.90
  4. Step 4: Simplify right side
    32,939.76x = 845,193,964.04
  5. Step 5: Solve for x
    x = 845,193,964.04/32,939.76
  6. Step 6: Final answer
    x = 25,658.77

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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.