Home / 49,347.90-68,101.86-28,123.74

Finding the Fourth Proportional to 49,347.90, 68,101.86 and 28,123.74

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Solution

The fourth proportional to 49,347.90, 68,101.86 and 28,123.74 is: 38,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,347.90 : 68,101.86 = 28,123.74 : x
  2. Step 2: Convert to fraction form
    49,347.90/68,101.86 = 28,123.74/x
  3. Step 3: Cross multiply
    49,347.90x = 68,101.86 × 28,123.74
  4. Step 4: Simplify right side
    49,347.90x = 1,915,279,004.16
  5. Step 5: Solve for x
    x = 1,915,279,004.16/49,347.90
  6. Step 6: Final answer
    x = 38,811.76

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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.