Home / 34,955.12-52,432.56-14,178.56

Finding the Fourth Proportional to 34,955.12, 52,432.56 and 14,178.56

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Solution

The fourth proportional to 34,955.12, 52,432.56 and 14,178.56 is: 21,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.12 : 52,432.56 = 14,178.56 : x
  2. Step 2: Convert to fraction form
    34,955.12/52,432.56 = 14,178.56/x
  3. Step 3: Cross multiply
    34,955.12x = 52,432.56 × 14,178.56
  4. Step 4: Simplify right side
    34,955.12x = 743,418,197.91
  5. Step 5: Solve for x
    x = 743,418,197.91/34,955.12
  6. Step 6: Final answer
    x = 21,267.79

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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.