Home / 20,354.40-30,479.02-14,048.73

Finding the Fourth Proportional to 20,354.40, 30,479.02 and 14,048.73

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Solution

The fourth proportional to 20,354.40, 30,479.02 and 14,048.73 is: 21,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354.40 : 30,479.02 = 14,048.73 : x
  2. Step 2: Convert to fraction form
    20,354.40/30,479.02 = 14,048.73/x
  3. Step 3: Cross multiply
    20,354.40x = 30,479.02 × 14,048.73
  4. Step 4: Simplify right side
    20,354.40x = 428,191,487.52
  5. Step 5: Solve for x
    x = 428,191,487.52/20,354.40
  6. Step 6: Final answer
    x = 21,036.80

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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.