Home / 40,099.50-55,349.63-23,115.10

Finding the Fourth Proportional to 40,099.50, 55,349.63 and 23,115.10

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Solution

The fourth proportional to 40,099.50, 55,349.63 and 23,115.10 is: 31,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099.50 : 55,349.63 = 23,115.10 : x
  2. Step 2: Convert to fraction form
    40,099.50/55,349.63 = 23,115.10/x
  3. Step 3: Cross multiply
    40,099.50x = 55,349.63 × 23,115.10
  4. Step 4: Simplify right side
    40,099.50x = 1,279,412,013.25
  5. Step 5: Solve for x
    x = 1,279,412,013.25/40,099.50
  6. Step 6: Final answer
    x = 31,905.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.