Home / 49,870.01-74,761.27-20,312.71

Finding the Fourth Proportional to 49,870.01, 74,761.27 and 20,312.71

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Solution

The fourth proportional to 49,870.01, 74,761.27 and 20,312.71 is: 30,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.01 : 74,761.27 = 20,312.71 : x
  2. Step 2: Convert to fraction form
    49,870.01/74,761.27 = 20,312.71/x
  3. Step 3: Cross multiply
    49,870.01x = 74,761.27 × 20,312.71
  4. Step 4: Simplify right side
    49,870.01x = 1,518,603,996.74
  5. Step 5: Solve for x
    x = 1,518,603,996.74/49,870.01
  6. Step 6: Final answer
    x = 30,451.25

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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.