Home / 49,721.76-74,582.64-40,938.24

Finding the Fourth Proportional to 49,721.76, 74,582.64 and 40,938.24

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Solution

The fourth proportional to 49,721.76, 74,582.64 and 40,938.24 is: 61,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.76 : 74,582.64 = 40,938.24 : x
  2. Step 2: Convert to fraction form
    49,721.76/74,582.64 = 40,938.24/x
  3. Step 3: Cross multiply
    49,721.76x = 74,582.64 × 40,938.24
  4. Step 4: Simplify right side
    49,721.76x = 3,053,282,016.15
  5. Step 5: Solve for x
    x = 3,053,282,016.15/49,721.76
  6. Step 6: Final answer
    x = 61,407.36

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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.