Home / 62,759.30-94,138.95-21,205.70

Finding the Fourth Proportional to 62,759.30, 94,138.95 and 21,205.70

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Solution

The fourth proportional to 62,759.30, 94,138.95 and 21,205.70 is: 31,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.30 : 94,138.95 = 21,205.70 : x
  2. Step 2: Convert to fraction form
    62,759.30/94,138.95 = 21,205.70/x
  3. Step 3: Cross multiply
    62,759.30x = 94,138.95 × 21,205.70
  4. Step 4: Simplify right side
    62,759.30x = 1,996,282,332.02
  5. Step 5: Solve for x
    x = 1,996,282,332.02/62,759.30
  6. Step 6: Final answer
    x = 31,808.55

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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.