Home / 40,390.04-60,593.80-12,309.36

Finding the Fourth Proportional to 40,390.04, 60,593.80 and 12,309.36

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Solution

The fourth proportional to 40,390.04, 60,593.80 and 12,309.36 is: 18,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.04 : 60,593.80 = 12,309.36 : x
  2. Step 2: Convert to fraction form
    40,390.04/60,593.80 = 12,309.36/x
  3. Step 3: Cross multiply
    40,390.04x = 60,593.80 × 12,309.36
  4. Step 4: Simplify right side
    40,390.04x = 745,870,897.97
  5. Step 5: Solve for x
    x = 745,870,897.97/40,390.04
  6. Step 6: Final answer
    x = 18,466.70

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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.