Home / 42,414.80-63,622.20-40,276.40

Finding the Fourth Proportional to 42,414.80, 63,622.20 and 40,276.40

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Solution

The fourth proportional to 42,414.80, 63,622.20 and 40,276.40 is: 60,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.80 : 63,622.20 = 40,276.40 : x
  2. Step 2: Convert to fraction form
    42,414.80/63,622.20 = 40,276.40/x
  3. Step 3: Cross multiply
    42,414.80x = 63,622.20 × 40,276.40
  4. Step 4: Simplify right side
    42,414.80x = 2,562,473,176.08
  5. Step 5: Solve for x
    x = 2,562,473,176.08/42,414.80
  6. Step 6: Final answer
    x = 60,414.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.