Home / 45,389.88-67,901.64-40,663.26

Finding the Fourth Proportional to 45,389.88, 67,901.64 and 40,663.26

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Solution

The fourth proportional to 45,389.88, 67,901.64 and 40,663.26 is: 60,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.88 : 67,901.64 = 40,663.26 : x
  2. Step 2: Convert to fraction form
    45,389.88/67,901.64 = 40,663.26/x
  3. Step 3: Cross multiply
    45,389.88x = 67,901.64 × 40,663.26
  4. Step 4: Simplify right side
    45,389.88x = 2,761,102,041.75
  5. Step 5: Solve for x
    x = 2,761,102,041.75/45,389.88
  6. Step 6: Final answer
    x = 60,830.79

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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.