Home / 40,718.40-61,077.60-17,347.20

Finding the Fourth Proportional to 40,718.40, 61,077.60 and 17,347.20

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Solution

The fourth proportional to 40,718.40, 61,077.60 and 17,347.20 is: 26,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.40 : 61,077.60 = 17,347.20 : x
  2. Step 2: Convert to fraction form
    40,718.40/61,077.60 = 17,347.20/x
  3. Step 3: Cross multiply
    40,718.40x = 61,077.60 × 17,347.20
  4. Step 4: Simplify right side
    40,718.40x = 1,059,525,342.72
  5. Step 5: Solve for x
    x = 1,059,525,342.72/40,718.40
  6. Step 6: Final answer
    x = 26,020.80

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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.