Home / 40,618.12-60,920.88-15,669.85

Finding the Fourth Proportional to 40,618.12, 60,920.88 and 15,669.85

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Solution

The fourth proportional to 40,618.12, 60,920.88 and 15,669.85 is: 23,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,618.12 : 60,920.88 = 15,669.85 : x
  2. Step 2: Convert to fraction form
    40,618.12/60,920.88 = 15,669.85/x
  3. Step 3: Cross multiply
    40,618.12x = 60,920.88 × 15,669.85
  4. Step 4: Simplify right side
    40,618.12x = 954,621,051.47
  5. Step 5: Solve for x
    x = 954,621,051.47/40,618.12
  6. Step 6: Final answer
    x = 23,502.34

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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.