Home / 49,802.28-74,777.13-20,277.78

Finding the Fourth Proportional to 49,802.28, 74,777.13 and 20,277.78

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Solution

The fourth proportional to 49,802.28, 74,777.13 and 20,277.78 is: 30,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,802.28 : 74,777.13 = 20,277.78 : x
  2. Step 2: Convert to fraction form
    49,802.28/74,777.13 = 20,277.78/x
  3. Step 3: Cross multiply
    49,802.28x = 74,777.13 × 20,277.78
  4. Step 4: Simplify right side
    49,802.28x = 1,516,314,191.17
  5. Step 5: Solve for x
    x = 1,516,314,191.17/49,802.28
  6. Step 6: Final answer
    x = 30,446.68

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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.