Home / 52,841.28-79,261.12-12,860.56

Finding the Fourth Proportional to 52,841.28, 79,261.12 and 12,860.56

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Solution

The fourth proportional to 52,841.28, 79,261.12 and 12,860.56 is: 19,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,841.28 : 79,261.12 = 12,860.56 : x
  2. Step 2: Convert to fraction form
    52,841.28/79,261.12 = 12,860.56/x
  3. Step 3: Cross multiply
    52,841.28x = 79,261.12 × 12,860.56
  4. Step 4: Simplify right side
    52,841.28x = 1,019,342,389.43
  5. Step 5: Solve for x
    x = 1,019,342,389.43/52,841.28
  6. Step 6: Final answer
    x = 19,290.65

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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.