Home / 48,470.90-66,889.67-28,323.75

Finding the Fourth Proportional to 48,470.90, 66,889.67 and 28,323.75

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Solution

The fourth proportional to 48,470.90, 66,889.67 and 28,323.75 is: 39,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.90 : 66,889.67 = 28,323.75 : x
  2. Step 2: Convert to fraction form
    48,470.90/66,889.67 = 28,323.75/x
  3. Step 3: Cross multiply
    48,470.90x = 66,889.67 × 28,323.75
  4. Step 4: Simplify right side
    48,470.90x = 1,894,566,149.04
  5. Step 5: Solve for x
    x = 1,894,566,149.04/48,470.90
  6. Step 6: Final answer
    x = 39,086.68

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1.5x scale

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.