Home / 49,897.16-74,847.90-16,620.20

Finding the Fourth Proportional to 49,897.16, 74,847.90 and 16,620.20

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Solution

The fourth proportional to 49,897.16, 74,847.90 and 16,620.20 is: 24,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.16 : 74,847.90 = 16,620.20 : x
  2. Step 2: Convert to fraction form
    49,897.16/74,847.90 = 16,620.20/x
  3. Step 3: Cross multiply
    49,897.16x = 74,847.90 × 16,620.20
  4. Step 4: Simplify right side
    49,897.16x = 1,243,987,067.58
  5. Step 5: Solve for x
    x = 1,243,987,067.58/49,897.16
  6. Step 6: Final answer
    x = 24,931.02

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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.