Home / 32,775.10-45,229.45-18,630.69

Finding the Fourth Proportional to 32,775.10, 45,229.45 and 18,630.69

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Solution

The fourth proportional to 32,775.10, 45,229.45 and 18,630.69 is: 25,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.10 : 45,229.45 = 18,630.69 : x
  2. Step 2: Convert to fraction form
    32,775.10/45,229.45 = 18,630.69/x
  3. Step 3: Cross multiply
    32,775.10x = 45,229.45 × 18,630.69
  4. Step 4: Simplify right side
    32,775.10x = 842,655,861.82
  5. Step 5: Solve for x
    x = 842,655,861.82/32,775.10
  6. Step 6: Final answer
    x = 25,710.25

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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.