Home / 45,042.30-62,175.90-40,318.38

Finding the Fourth Proportional to 45,042.30, 62,175.90 and 40,318.38

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Solution

The fourth proportional to 45,042.30, 62,175.90 and 40,318.38 is: 55,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.30 : 62,175.90 = 40,318.38 : x
  2. Step 2: Convert to fraction form
    45,042.30/62,175.90 = 40,318.38/x
  3. Step 3: Cross multiply
    45,042.30x = 62,175.90 × 40,318.38
  4. Step 4: Simplify right side
    45,042.30x = 2,506,831,563.04
  5. Step 5: Solve for x
    x = 2,506,831,563.04/45,042.30
  6. Step 6: Final answer
    x = 55,655.05

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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.