Home / 45,538.56-68,312.39-13,948.25

Finding the Fourth Proportional to 45,538.56, 68,312.39 and 13,948.25

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Solution

The fourth proportional to 45,538.56, 68,312.39 and 13,948.25 is: 20,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.56 : 68,312.39 = 13,948.25 : x
  2. Step 2: Convert to fraction form
    45,538.56/68,312.39 = 13,948.25/x
  3. Step 3: Cross multiply
    45,538.56x = 68,312.39 × 13,948.25
  4. Step 4: Simplify right side
    45,538.56x = 952,838,653.71
  5. Step 5: Solve for x
    x = 952,838,653.71/45,538.56
  6. Step 6: Final answer
    x = 20,923.78

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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.