Home / 35,158.40-52,728.87-12,959.75

Finding the Fourth Proportional to 35,158.40, 52,728.87 and 12,959.75

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Solution

The fourth proportional to 35,158.40, 52,728.87 and 12,959.75 is: 19,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.40 : 52,728.87 = 12,959.75 : x
  2. Step 2: Convert to fraction form
    35,158.40/52,728.87 = 12,959.75/x
  3. Step 3: Cross multiply
    35,158.40x = 52,728.87 × 12,959.75
  4. Step 4: Simplify right side
    35,158.40x = 683,352,972.98
  5. Step 5: Solve for x
    x = 683,352,972.98/35,158.40
  6. Step 6: Final answer
    x = 19,436.41

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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.