Home / 35,947.28-53,902.50-19,321.30

Finding the Fourth Proportional to 35,947.28, 53,902.50 and 19,321.30

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Solution

The fourth proportional to 35,947.28, 53,902.50 and 19,321.30 is: 28,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,947.28 : 53,902.50 = 19,321.30 : x
  2. Step 2: Convert to fraction form
    35,947.28/53,902.50 = 19,321.30/x
  3. Step 3: Cross multiply
    35,947.28x = 53,902.50 × 19,321.30
  4. Step 4: Simplify right side
    35,947.28x = 1,041,466,373.25
  5. Step 5: Solve for x
    x = 1,041,466,373.25/35,947.28
  6. Step 6: Final answer
    x = 28,972.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.