Home / 29,484.20-40,618.98-20,516.30

Finding the Fourth Proportional to 29,484.20, 40,618.98 and 20,516.30

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Solution

The fourth proportional to 29,484.20, 40,618.98 and 20,516.30 is: 28,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.20 : 40,618.98 = 20,516.30 : x
  2. Step 2: Convert to fraction form
    29,484.20/40,618.98 = 20,516.30/x
  3. Step 3: Cross multiply
    29,484.20x = 40,618.98 × 20,516.30
  4. Step 4: Simplify right side
    29,484.20x = 833,351,179.37
  5. Step 5: Solve for x
    x = 833,351,179.37/29,484.20
  6. Step 6: Final answer
    x = 28,264.33

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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.