Home / 32,818.59-45,288.60-18,479.16

Finding the Fourth Proportional to 32,818.59, 45,288.60 and 18,479.16

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Solution

The fourth proportional to 32,818.59, 45,288.60 and 18,479.16 is: 25,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,818.59 : 45,288.60 = 18,479.16 : x
  2. Step 2: Convert to fraction form
    32,818.59/45,288.60 = 18,479.16/x
  3. Step 3: Cross multiply
    32,818.59x = 45,288.60 × 18,479.16
  4. Step 4: Simplify right side
    32,818.59x = 836,895,285.58
  5. Step 5: Solve for x
    x = 836,895,285.58/32,818.59
  6. Step 6: Final answer
    x = 25,500.65

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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.