Home / 42,704.28-64,058.04-11,539.53

Finding the Fourth Proportional to 42,704.28, 64,058.04 and 11,539.53

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Solution

The fourth proportional to 42,704.28, 64,058.04 and 11,539.53 is: 17,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.28 : 64,058.04 = 11,539.53 : x
  2. Step 2: Convert to fraction form
    42,704.28/64,058.04 = 11,539.53/x
  3. Step 3: Cross multiply
    42,704.28x = 64,058.04 × 11,539.53
  4. Step 4: Simplify right side
    42,704.28x = 739,199,674.32
  5. Step 5: Solve for x
    x = 739,199,674.32/42,704.28
  6. Step 6: Final answer
    x = 17,309.73

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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.