Home / 30,292.68-45,446.31-12,767.52

Finding the Fourth Proportional to 30,292.68, 45,446.31 and 12,767.52

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Solution

The fourth proportional to 30,292.68, 45,446.31 and 12,767.52 is: 19,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.68 : 45,446.31 = 12,767.52 : x
  2. Step 2: Convert to fraction form
    30,292.68/45,446.31 = 12,767.52/x
  3. Step 3: Cross multiply
    30,292.68x = 45,446.31 × 12,767.52
  4. Step 4: Simplify right side
    30,292.68x = 580,236,671.85
  5. Step 5: Solve for x
    x = 580,236,671.85/30,292.68
  6. Step 6: Final answer
    x = 19,154.35

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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.