Home / 29,618.10-40,830.45-18,280.02

Finding the Fourth Proportional to 29,618.10, 40,830.45 and 18,280.02

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Solution

The fourth proportional to 29,618.10, 40,830.45 and 18,280.02 is: 25,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.10 : 40,830.45 = 18,280.02 : x
  2. Step 2: Convert to fraction form
    29,618.10/40,830.45 = 18,280.02/x
  3. Step 3: Cross multiply
    29,618.10x = 40,830.45 × 18,280.02
  4. Step 4: Simplify right side
    29,618.10x = 746,381,442.61
  5. Step 5: Solve for x
    x = 746,381,442.61/29,618.10
  6. Step 6: Final answer
    x = 25,200.18

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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.