Home / 45,079.20-67,617.18-13,914.45

Finding the Fourth Proportional to 45,079.20, 67,617.18 and 13,914.45

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Solution

The fourth proportional to 45,079.20, 67,617.18 and 13,914.45 is: 20,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,079.20 : 67,617.18 = 13,914.45 : x
  2. Step 2: Convert to fraction form
    45,079.20/67,617.18 = 13,914.45/x
  3. Step 3: Cross multiply
    45,079.20x = 67,617.18 × 13,914.45
  4. Step 4: Simplify right side
    45,079.20x = 940,855,870.25
  5. Step 5: Solve for x
    x = 940,855,870.25/45,079.20
  6. Step 6: Final answer
    x = 20,871.17

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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.