Home / 32,479.90-44,821.38-18,139.34

Finding the Fourth Proportional to 32,479.90, 44,821.38 and 18,139.34

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Solution

The fourth proportional to 32,479.90, 44,821.38 and 18,139.34 is: 25,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.90 : 44,821.38 = 18,139.34 : x
  2. Step 2: Convert to fraction form
    32,479.90/44,821.38 = 18,139.34/x
  3. Step 3: Cross multiply
    32,479.90x = 44,821.38 × 18,139.34
  4. Step 4: Simplify right side
    32,479.90x = 813,030,251.09
  5. Step 5: Solve for x
    x = 813,030,251.09/32,479.90
  6. Step 6: Final answer
    x = 25,031.80

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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.