Home / 43,812.38-60,440-28,698.50

Finding the Fourth Proportional to 43,812.38, 60,440 and 28,698.50

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Solution

The fourth proportional to 43,812.38, 60,440 and 28,698.50 is: 39,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.38 : 60,440 = 28,698.50 : x
  2. Step 2: Convert to fraction form
    43,812.38/60,440 = 28,698.50/x
  3. Step 3: Cross multiply
    43,812.38x = 60,440 × 28,698.50
  4. Step 4: Simplify right side
    43,812.38x = 1,734,537,340
  5. Step 5: Solve for x
    x = 1,734,537,340/43,812.38
  6. Step 6: Final answer
    x = 39,590.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.