Home / 52,966.53-79,449.94-12,985.70

Finding the Fourth Proportional to 52,966.53, 79,449.94 and 12,985.70

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Solution

The fourth proportional to 52,966.53, 79,449.94 and 12,985.70 is: 19,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,966.53 : 79,449.94 = 12,985.70 : x
  2. Step 2: Convert to fraction form
    52,966.53/79,449.94 = 12,985.70/x
  3. Step 3: Cross multiply
    52,966.53x = 79,449.94 × 12,985.70
  4. Step 4: Simplify right side
    52,966.53x = 1,031,713,002.78
  5. Step 5: Solve for x
    x = 1,031,713,002.78/52,966.53
  6. Step 6: Final answer
    x = 19,478.58

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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.