Home / 49,776.34-74,489.10-31,065.18

Finding the Fourth Proportional to 49,776.34, 74,489.10 and 31,065.18

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Solution

The fourth proportional to 49,776.34, 74,489.10 and 31,065.18 is: 46,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776.34 : 74,489.10 = 31,065.18 : x
  2. Step 2: Convert to fraction form
    49,776.34/74,489.10 = 31,065.18/x
  3. Step 3: Cross multiply
    49,776.34x = 74,489.10 × 31,065.18
  4. Step 4: Simplify right side
    49,776.34x = 2,314,017,299.54
  5. Step 5: Solve for x
    x = 2,314,017,299.54/49,776.34
  6. Step 6: Final answer
    x = 46,488.30

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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.