Home / 40,648.16-60,988.44-14,355.56

Finding the Fourth Proportional to 40,648.16, 60,988.44 and 14,355.56

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Solution

The fourth proportional to 40,648.16, 60,988.44 and 14,355.56 is: 21,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,648.16 : 60,988.44 = 14,355.56 : x
  2. Step 2: Convert to fraction form
    40,648.16/60,988.44 = 14,355.56/x
  3. Step 3: Cross multiply
    40,648.16x = 60,988.44 × 14,355.56
  4. Step 4: Simplify right side
    40,648.16x = 875,523,209.73
  5. Step 5: Solve for x
    x = 875,523,209.73/40,648.16
  6. Step 6: Final answer
    x = 21,539.06

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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.