Home / 49,507.19-74,280.23-21,785.75

Finding the Fourth Proportional to 49,507.19, 74,280.23 and 21,785.75

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Solution

The fourth proportional to 49,507.19, 74,280.23 and 21,785.75 is: 32,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,507.19 : 74,280.23 = 21,785.75 : x
  2. Step 2: Convert to fraction form
    49,507.19/74,280.23 = 21,785.75/x
  3. Step 3: Cross multiply
    49,507.19x = 74,280.23 × 21,785.75
  4. Step 4: Simplify right side
    49,507.19x = 1,618,250,411.79
  5. Step 5: Solve for x
    x = 1,618,250,411.79/49,507.19
  6. Step 6: Final answer
    x = 32,687.18

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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.