Home / 40,141.06-60,129.51-18,763.18

Finding the Fourth Proportional to 40,141.06, 60,129.51 and 18,763.18

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Solution

The fourth proportional to 40,141.06, 60,129.51 and 18,763.18 is: 28,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.06 : 60,129.51 = 18,763.18 : x
  2. Step 2: Convert to fraction form
    40,141.06/60,129.51 = 18,763.18/x
  3. Step 3: Cross multiply
    40,141.06x = 60,129.51 × 18,763.18
  4. Step 4: Simplify right side
    40,141.06x = 1,128,220,819.44
  5. Step 5: Solve for x
    x = 1,128,220,819.44/40,141.06
  6. Step 6: Final answer
    x = 28,106.40

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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.