Home / 30,644.20-45,966.30-9,867.70

Finding the Fourth Proportional to 30,644.20, 45,966.30 and 9,867.70

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Solution

The fourth proportional to 30,644.20, 45,966.30 and 9,867.70 is: 14,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.20 : 45,966.30 = 9,867.70 : x
  2. Step 2: Convert to fraction form
    30,644.20/45,966.30 = 9,867.70/x
  3. Step 3: Cross multiply
    30,644.20x = 45,966.30 × 9,867.70
  4. Step 4: Simplify right side
    30,644.20x = 453,581,658.51
  5. Step 5: Solve for x
    x = 453,581,658.51/30,644.20
  6. Step 6: Final answer
    x = 14,801.55

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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.