Home / 50,948.68-70,311.38-28,287.68

Finding the Fourth Proportional to 50,948.68, 70,311.38 and 28,287.68

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Solution

The fourth proportional to 50,948.68, 70,311.38 and 28,287.68 is: 39,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.68 : 70,311.38 = 28,287.68 : x
  2. Step 2: Convert to fraction form
    50,948.68/70,311.38 = 28,287.68/x
  3. Step 3: Cross multiply
    50,948.68x = 70,311.38 × 28,287.68
  4. Step 4: Simplify right side
    50,948.68x = 1,988,945,617.17
  5. Step 5: Solve for x
    x = 1,988,945,617.17/50,948.68
  6. Step 6: Final answer
    x = 39,038.21

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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.