Home / 50,972.75-70,342.40-28,616.75

Finding the Fourth Proportional to 50,972.75, 70,342.40 and 28,616.75

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Solution

The fourth proportional to 50,972.75, 70,342.40 and 28,616.75 is: 39,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.75 : 70,342.40 = 28,616.75 : x
  2. Step 2: Convert to fraction form
    50,972.75/70,342.40 = 28,616.75/x
  3. Step 3: Cross multiply
    50,972.75x = 70,342.40 × 28,616.75
  4. Step 4: Simplify right side
    50,972.75x = 2,012,970,875.20
  5. Step 5: Solve for x
    x = 2,012,970,875.20/50,972.75
  6. Step 6: Final answer
    x = 39,491.12

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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.