Home / 32,781.52-45,242.48-18,635.68

Finding the Fourth Proportional to 32,781.52, 45,242.48 and 18,635.68

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Solution

The fourth proportional to 32,781.52, 45,242.48 and 18,635.68 is: 25,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.52 : 45,242.48 = 18,635.68 : x
  2. Step 2: Convert to fraction form
    32,781.52/45,242.48 = 18,635.68/x
  3. Step 3: Cross multiply
    32,781.52x = 45,242.48 × 18,635.68
  4. Step 4: Simplify right side
    32,781.52x = 843,124,379.69
  5. Step 5: Solve for x
    x = 843,124,379.69/32,781.52
  6. Step 6: Final answer
    x = 25,719.50

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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.