Home / 40,209.12-60,333.66-18,038.16

Finding the Fourth Proportional to 40,209.12, 60,333.66 and 18,038.16

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Solution

The fourth proportional to 40,209.12, 60,333.66 and 18,038.16 is: 27,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.12 : 60,333.66 = 18,038.16 : x
  2. Step 2: Convert to fraction form
    40,209.12/60,333.66 = 18,038.16/x
  3. Step 3: Cross multiply
    40,209.12x = 60,333.66 × 18,038.16
  4. Step 4: Simplify right side
    40,209.12x = 1,088,308,212.47
  5. Step 5: Solve for x
    x = 1,088,308,212.47/40,209.12
  6. Step 6: Final answer
    x = 27,066.20

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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.