Home / 47,482.68-71,228.82-12,422.64

Finding the Fourth Proportional to 47,482.68, 71,228.82 and 12,422.64

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Solution

The fourth proportional to 47,482.68, 71,228.82 and 12,422.64 is: 18,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,482.68 : 71,228.82 = 12,422.64 : x
  2. Step 2: Convert to fraction form
    47,482.68/71,228.82 = 12,422.64/x
  3. Step 3: Cross multiply
    47,482.68x = 71,228.82 × 12,422.64
  4. Step 4: Simplify right side
    47,482.68x = 884,849,988.48
  5. Step 5: Solve for x
    x = 884,849,988.48/47,482.68
  6. Step 6: Final answer
    x = 18,635.22

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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.