Home / 42,883.17-64,337.99-19,210.65

Finding the Fourth Proportional to 42,883.17, 64,337.99 and 19,210.65

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Solution

The fourth proportional to 42,883.17, 64,337.99 and 19,210.65 is: 28,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.17 : 64,337.99 = 19,210.65 : x
  2. Step 2: Convert to fraction form
    42,883.17/64,337.99 = 19,210.65/x
  3. Step 3: Cross multiply
    42,883.17x = 64,337.99 × 19,210.65
  4. Step 4: Simplify right side
    42,883.17x = 1,235,974,511.54
  5. Step 5: Solve for x
    x = 1,235,974,511.54/42,883.17
  6. Step 6: Final answer
    x = 28,821.90

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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.