Home / 49,689.36-74,510.46-18,077.04

Finding the Fourth Proportional to 49,689.36, 74,510.46 and 18,077.04

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Solution

The fourth proportional to 49,689.36, 74,510.46 and 18,077.04 is: 27,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.36 : 74,510.46 = 18,077.04 : x
  2. Step 2: Convert to fraction form
    49,689.36/74,510.46 = 18,077.04/x
  3. Step 3: Cross multiply
    49,689.36x = 74,510.46 × 18,077.04
  4. Step 4: Simplify right side
    49,689.36x = 1,346,928,565.84
  5. Step 5: Solve for x
    x = 1,346,928,565.84/49,689.36
  6. Step 6: Final answer
    x = 27,106.98

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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.