Home / 30,252.72-45,387.72-12,713.52

Finding the Fourth Proportional to 30,252.72, 45,387.72 and 12,713.52

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Solution

The fourth proportional to 30,252.72, 45,387.72 and 12,713.52 is: 19,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.72 : 45,387.72 = 12,713.52 : x
  2. Step 2: Convert to fraction form
    30,252.72/45,387.72 = 12,713.52/x
  3. Step 3: Cross multiply
    30,252.72x = 45,387.72 × 12,713.52
  4. Step 4: Simplify right side
    30,252.72x = 577,037,685.97
  5. Step 5: Solve for x
    x = 577,037,685.97/30,252.72
  6. Step 6: Final answer
    x = 19,073.91

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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.