Home / 32,898.12-45,399.48-18,750.60

Finding the Fourth Proportional to 32,898.12, 45,399.48 and 18,750.60

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Solution

The fourth proportional to 32,898.12, 45,399.48 and 18,750.60 is: 25,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.12 : 45,399.48 = 18,750.60 : x
  2. Step 2: Convert to fraction form
    32,898.12/45,399.48 = 18,750.60/x
  3. Step 3: Cross multiply
    32,898.12x = 45,399.48 × 18,750.60
  4. Step 4: Simplify right side
    32,898.12x = 851,267,489.69
  5. Step 5: Solve for x
    x = 851,267,489.69/32,898.12
  6. Step 6: Final answer
    x = 25,875.87

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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.