Home / 49,478.10-74,041.96-30,766.95

Finding the Fourth Proportional to 49,478.10, 74,041.96 and 30,766.95

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Solution

The fourth proportional to 49,478.10, 74,041.96 and 30,766.95 is: 46,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.10 : 74,041.96 = 30,766.95 : x
  2. Step 2: Convert to fraction form
    49,478.10/74,041.96 = 30,766.95/x
  3. Step 3: Cross multiply
    49,478.10x = 74,041.96 × 30,766.95
  4. Step 4: Simplify right side
    49,478.10x = 2,278,045,281.22
  5. Step 5: Solve for x
    x = 2,278,045,281.22/49,478.10
  6. Step 6: Final answer
    x = 46,041.49

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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.