Home / 30,248.29-45,377.30-12,723.13

Finding the Fourth Proportional to 30,248.29, 45,377.30 and 12,723.13

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Solution

The fourth proportional to 30,248.29, 45,377.30 and 12,723.13 is: 19,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.29 : 45,377.30 = 12,723.13 : x
  2. Step 2: Convert to fraction form
    30,248.29/45,377.30 = 12,723.13/x
  3. Step 3: Cross multiply
    30,248.29x = 45,377.30 × 12,723.13
  4. Step 4: Simplify right side
    30,248.29x = 577,341,286.95
  5. Step 5: Solve for x
    x = 577,341,286.95/30,248.29
  6. Step 6: Final answer
    x = 19,086.74

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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.