Home / 42,932.56-64,398.84-13,352.28

Finding the Fourth Proportional to 42,932.56, 64,398.84 and 13,352.28

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Solution

The fourth proportional to 42,932.56, 64,398.84 and 13,352.28 is: 20,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,932.56 : 64,398.84 = 13,352.28 : x
  2. Step 2: Convert to fraction form
    42,932.56/64,398.84 = 13,352.28/x
  3. Step 3: Cross multiply
    42,932.56x = 64,398.84 × 13,352.28
  4. Step 4: Simplify right side
    42,932.56x = 859,871,343.36
  5. Step 5: Solve for x
    x = 859,871,343.36/42,932.56
  6. Step 6: Final answer
    x = 20,028.42

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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.