Home / 45,210.45-67,815.68-15,612.14

Finding the Fourth Proportional to 45,210.45, 67,815.68 and 15,612.14

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Solution

The fourth proportional to 45,210.45, 67,815.68 and 15,612.14 is: 23,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,210.45 : 67,815.68 = 15,612.14 : x
  2. Step 2: Convert to fraction form
    45,210.45/67,815.68 = 15,612.14/x
  3. Step 3: Cross multiply
    45,210.45x = 67,815.68 × 15,612.14
  4. Step 4: Simplify right side
    45,210.45x = 1,058,748,069.65
  5. Step 5: Solve for x
    x = 1,058,748,069.65/45,210.45
  6. Step 6: Final answer
    x = 23,418.21

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Similar ratio
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1.5x scale

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.