Home / 40,186.26-60,295.80-13,909.50

Finding the Fourth Proportional to 40,186.26, 60,295.80 and 13,909.50

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Solution

The fourth proportional to 40,186.26, 60,295.80 and 13,909.50 is: 20,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.26 : 60,295.80 = 13,909.50 : x
  2. Step 2: Convert to fraction form
    40,186.26/60,295.80 = 13,909.50/x
  3. Step 3: Cross multiply
    40,186.26x = 60,295.80 × 13,909.50
  4. Step 4: Simplify right side
    40,186.26x = 838,684,430.10
  5. Step 5: Solve for x
    x = 838,684,430.10/40,186.26
  6. Step 6: Final answer
    x = 20,869.93

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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.