Home / 49,404.40-74,116.20-14,345.20

Finding the Fourth Proportional to 49,404.40, 74,116.20 and 14,345.20

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Solution

The fourth proportional to 49,404.40, 74,116.20 and 14,345.20 is: 21,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,404.40 : 74,116.20 = 14,345.20 : x
  2. Step 2: Convert to fraction form
    49,404.40/74,116.20 = 14,345.20/x
  3. Step 3: Cross multiply
    49,404.40x = 74,116.20 × 14,345.20
  4. Step 4: Simplify right side
    49,404.40x = 1,063,211,712.24
  5. Step 5: Solve for x
    x = 1,063,211,712.24/49,404.40
  6. Step 6: Final answer
    x = 21,520.59

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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.