Home / 45,077.36-67,608.12-13,904.24

Finding the Fourth Proportional to 45,077.36, 67,608.12 and 13,904.24

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Solution

The fourth proportional to 45,077.36, 67,608.12 and 13,904.24 is: 20,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,077.36 : 67,608.12 = 13,904.24 : x
  2. Step 2: Convert to fraction form
    45,077.36/67,608.12 = 13,904.24/x
  3. Step 3: Cross multiply
    45,077.36x = 67,608.12 × 13,904.24
  4. Step 4: Simplify right side
    45,077.36x = 940,039,526.43
  5. Step 5: Solve for x
    x = 940,039,526.43/45,077.36
  6. Step 6: Final answer
    x = 20,853.92

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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.