Home / 45,487.01-68,240.88-13,901.55

Finding the Fourth Proportional to 45,487.01, 68,240.88 and 13,901.55

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Solution

The fourth proportional to 45,487.01, 68,240.88 and 13,901.55 is: 20,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,487.01 : 68,240.88 = 13,901.55 : x
  2. Step 2: Convert to fraction form
    45,487.01/68,240.88 = 13,901.55/x
  3. Step 3: Cross multiply
    45,487.01x = 68,240.88 × 13,901.55
  4. Step 4: Simplify right side
    45,487.01x = 948,654,005.36
  5. Step 5: Solve for x
    x = 948,654,005.36/45,487.01
  6. Step 6: Final answer
    x = 20,855.50

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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.