Home / 50,901.85-70,242.18-28,240.60

Finding the Fourth Proportional to 50,901.85, 70,242.18 and 28,240.60

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Solution

The fourth proportional to 50,901.85, 70,242.18 and 28,240.60 is: 38,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.85 : 70,242.18 = 28,240.60 : x
  2. Step 2: Convert to fraction form
    50,901.85/70,242.18 = 28,240.60/x
  3. Step 3: Cross multiply
    50,901.85x = 70,242.18 × 28,240.60
  4. Step 4: Simplify right side
    50,901.85x = 1,983,681,132.90
  5. Step 5: Solve for x
    x = 1,983,681,132.90/50,901.85
  6. Step 6: Final answer
    x = 38,970.71

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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.