Home / 43,073.28-64,610.19-13,488.84

Finding the Fourth Proportional to 43,073.28, 64,610.19 and 13,488.84

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Solution

The fourth proportional to 43,073.28, 64,610.19 and 13,488.84 is: 20,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.28 : 64,610.19 = 13,488.84 : x
  2. Step 2: Convert to fraction form
    43,073.28/64,610.19 = 13,488.84/x
  3. Step 3: Cross multiply
    43,073.28x = 64,610.19 × 13,488.84
  4. Step 4: Simplify right side
    43,073.28x = 871,516,515.28
  5. Step 5: Solve for x
    x = 871,516,515.28/43,073.28
  6. Step 6: Final answer
    x = 20,233.34

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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.