Home / 32,711.22-45,129.67-18,555.87

Finding the Fourth Proportional to 32,711.22, 45,129.67 and 18,555.87

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Solution

The fourth proportional to 32,711.22, 45,129.67 and 18,555.87 is: 25,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,711.22 : 45,129.67 = 18,555.87 : x
  2. Step 2: Convert to fraction form
    32,711.22/45,129.67 = 18,555.87/x
  3. Step 3: Cross multiply
    32,711.22x = 45,129.67 × 18,555.87
  4. Step 4: Simplify right side
    32,711.22x = 837,420,289.66
  5. Step 5: Solve for x
    x = 837,420,289.66/32,711.22
  6. Step 6: Final answer
    x = 25,600.40

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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.