Home / 40,480.16-60,733.70-17,987.72

Finding the Fourth Proportional to 40,480.16, 60,733.70 and 17,987.72

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Solution

The fourth proportional to 40,480.16, 60,733.70 and 17,987.72 is: 26,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480.16 : 60,733.70 = 17,987.72 : x
  2. Step 2: Convert to fraction form
    40,480.16/60,733.70 = 17,987.72/x
  3. Step 3: Cross multiply
    40,480.16x = 60,733.70 × 17,987.72
  4. Step 4: Simplify right side
    40,480.16x = 1,092,460,790.16
  5. Step 5: Solve for x
    x = 1,092,460,790.16/40,480.16
  6. Step 6: Final answer
    x = 26,987.56

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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.