Home / 45,203.80-67,613.70-40,557.40

Finding the Fourth Proportional to 45,203.80, 67,613.70 and 40,557.40

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Solution

The fourth proportional to 45,203.80, 67,613.70 and 40,557.40 is: 60,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,203.80 : 67,613.70 = 40,557.40 : x
  2. Step 2: Convert to fraction form
    45,203.80/67,613.70 = 40,557.40/x
  3. Step 3: Cross multiply
    45,203.80x = 67,613.70 × 40,557.40
  4. Step 4: Simplify right side
    45,203.80x = 2,742,235,876.38
  5. Step 5: Solve for x
    x = 2,742,235,876.38/45,203.80
  6. Step 6: Final answer
    x = 60,663.84

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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.