Home / 38,610.05-57,902.74-12,308.63

Finding the Fourth Proportional to 38,610.05, 57,902.74 and 12,308.63

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Solution

The fourth proportional to 38,610.05, 57,902.74 and 12,308.63 is: 18,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.05 : 57,902.74 = 12,308.63 : x
  2. Step 2: Convert to fraction form
    38,610.05/57,902.74 = 12,308.63/x
  3. Step 3: Cross multiply
    38,610.05x = 57,902.74 × 12,308.63
  4. Step 4: Simplify right side
    38,610.05x = 712,703,082.36
  5. Step 5: Solve for x
    x = 712,703,082.36/38,610.05
  6. Step 6: Final answer
    x = 18,459.01

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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.