Home / 49,742.64-74,590.56-20,137.95

Finding the Fourth Proportional to 49,742.64, 74,590.56 and 20,137.95

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Solution

The fourth proportional to 49,742.64, 74,590.56 and 20,137.95 is: 30,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.64 : 74,590.56 = 20,137.95 : x
  2. Step 2: Convert to fraction form
    49,742.64/74,590.56 = 20,137.95/x
  3. Step 3: Cross multiply
    49,742.64x = 74,590.56 × 20,137.95
  4. Step 4: Simplify right side
    49,742.64x = 1,502,100,967.75
  5. Step 5: Solve for x
    x = 1,502,100,967.75/49,742.64
  6. Step 6: Final answer
    x = 30,197.45

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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.