Home / 42,506.55-63,760.83-18,809.04

Finding the Fourth Proportional to 42,506.55, 63,760.83 and 18,809.04

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Solution

The fourth proportional to 42,506.55, 63,760.83 and 18,809.04 is: 28,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,506.55 : 63,760.83 = 18,809.04 : x
  2. Step 2: Convert to fraction form
    42,506.55/63,760.83 = 18,809.04/x
  3. Step 3: Cross multiply
    42,506.55x = 63,760.83 × 18,809.04
  4. Step 4: Simplify right side
    42,506.55x = 1,199,280,001.90
  5. Step 5: Solve for x
    x = 1,199,280,001.90/42,506.55
  6. Step 6: Final answer
    x = 28,214.00

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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.