Home / 32,760.59-45,209.66-18,421.22

Finding the Fourth Proportional to 32,760.59, 45,209.66 and 18,421.22

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Solution

The fourth proportional to 32,760.59, 45,209.66 and 18,421.22 is: 25,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.59 : 45,209.66 = 18,421.22 : x
  2. Step 2: Convert to fraction form
    32,760.59/45,209.66 = 18,421.22/x
  3. Step 3: Cross multiply
    32,760.59x = 45,209.66 × 18,421.22
  4. Step 4: Simplify right side
    32,760.59x = 832,817,113.90
  5. Step 5: Solve for x
    x = 832,817,113.90/32,760.59
  6. Step 6: Final answer
    x = 25,421.31

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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.