Home / 50,739.54-70,019.13-28,079.47

Finding the Fourth Proportional to 50,739.54, 70,019.13 and 28,079.47

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Solution

The fourth proportional to 50,739.54, 70,019.13 and 28,079.47 is: 38,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,739.54 : 70,019.13 = 28,079.47 : x
  2. Step 2: Convert to fraction form
    50,739.54/70,019.13 = 28,079.47/x
  3. Step 3: Cross multiply
    50,739.54x = 70,019.13 × 28,079.47
  4. Step 4: Simplify right side
    50,739.54x = 1,966,100,060.26
  5. Step 5: Solve for x
    x = 1,966,100,060.26/50,739.54
  6. Step 6: Final answer
    x = 38,748.87

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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.