Home / 50,753.53-70,038.70-28,091.14

Finding the Fourth Proportional to 50,753.53, 70,038.70 and 28,091.14

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Solution

The fourth proportional to 50,753.53, 70,038.70 and 28,091.14 is: 38,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,753.53 : 70,038.70 = 28,091.14 : x
  2. Step 2: Convert to fraction form
    50,753.53/70,038.70 = 28,091.14/x
  3. Step 3: Cross multiply
    50,753.53x = 70,038.70 × 28,091.14
  4. Step 4: Simplify right side
    50,753.53x = 1,967,466,927.12
  5. Step 5: Solve for x
    x = 1,967,466,927.12/50,753.53
  6. Step 6: Final answer
    x = 38,765.12

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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.