Home / 50,724.80-70,003.68-28,364.48

Finding the Fourth Proportional to 50,724.80, 70,003.68 and 28,364.48

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Solution

The fourth proportional to 50,724.80, 70,003.68 and 28,364.48 is: 39,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,724.80 : 70,003.68 = 28,364.48 : x
  2. Step 2: Convert to fraction form
    50,724.80/70,003.68 = 28,364.48/x
  3. Step 3: Cross multiply
    50,724.80x = 70,003.68 × 28,364.48
  4. Step 4: Simplify right side
    50,724.80x = 1,985,617,981.29
  5. Step 5: Solve for x
    x = 1,985,617,981.29/50,724.80
  6. Step 6: Final answer
    x = 39,144.91

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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.