Home / 45,412.50-68,126.04-15,822.12

Finding the Fourth Proportional to 45,412.50, 68,126.04 and 15,822.12

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Solution

The fourth proportional to 45,412.50, 68,126.04 and 15,822.12 is: 23,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,412.50 : 68,126.04 = 15,822.12 : x
  2. Step 2: Convert to fraction form
    45,412.50/68,126.04 = 15,822.12/x
  3. Step 3: Cross multiply
    45,412.50x = 68,126.04 × 15,822.12
  4. Step 4: Simplify right side
    45,412.50x = 1,077,898,380.00
  5. Step 5: Solve for x
    x = 1,077,898,380.00/45,412.50
  6. Step 6: Final answer
    x = 23,735.72

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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.