Home / 62,759.10-94,138.65-21,206.10

Finding the Fourth Proportional to 62,759.10, 94,138.65 and 21,206.10

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Solution

The fourth proportional to 62,759.10, 94,138.65 and 21,206.10 is: 31,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.10 : 94,138.65 = 21,206.10 : x
  2. Step 2: Convert to fraction form
    62,759.10/94,138.65 = 21,206.10/x
  3. Step 3: Cross multiply
    62,759.10x = 94,138.65 × 21,206.10
  4. Step 4: Simplify right side
    62,759.10x = 1,996,313,625.77
  5. Step 5: Solve for x
    x = 1,996,313,625.77/62,759.10
  6. Step 6: Final answer
    x = 31,809.15

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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.