Home / 50,739.76-70,019.15-28,079.71

Finding the Fourth Proportional to 50,739.76, 70,019.15 and 28,079.71

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Solution

The fourth proportional to 50,739.76, 70,019.15 and 28,079.71 is: 38,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.76 : 70,019.15 = 28,079.71 : x
  2. Step 2: Convert to fraction form
    50,739.76/70,019.15 = 28,079.71/x
  3. Step 3: Cross multiply
    50,739.76x = 70,019.15 × 28,079.71
  4. Step 4: Simplify right side
    50,739.76x = 1,966,117,101.25
  5. Step 5: Solve for x
    x = 1,966,117,101.25/50,739.76
  6. Step 6: Final answer
    x = 38,749.04

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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.