Home / 50,740.68-70,019.64-28,079.25

Finding the Fourth Proportional to 50,740.68, 70,019.64 and 28,079.25

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Solution

The fourth proportional to 50,740.68, 70,019.64 and 28,079.25 is: 38,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.68 : 70,019.64 = 28,079.25 : x
  2. Step 2: Convert to fraction form
    50,740.68/70,019.64 = 28,079.25/x
  3. Step 3: Cross multiply
    50,740.68x = 70,019.64 × 28,079.25
  4. Step 4: Simplify right side
    50,740.68x = 1,966,098,976.47
  5. Step 5: Solve for x
    x = 1,966,098,976.47/50,740.68
  6. Step 6: Final answer
    x = 38,747.98

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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.