Home / 42,619.70-63,947.99-22,875.21

Finding the Fourth Proportional to 42,619.70, 63,947.99 and 22,875.21

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Solution

The fourth proportional to 42,619.70, 63,947.99 and 22,875.21 is: 34,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.70 : 63,947.99 = 22,875.21 : x
  2. Step 2: Convert to fraction form
    42,619.70/63,947.99 = 22,875.21/x
  3. Step 3: Cross multiply
    42,619.70x = 63,947.99 × 22,875.21
  4. Step 4: Simplify right side
    42,619.70x = 1,462,823,757.52
  5. Step 5: Solve for x
    x = 1,462,823,757.52/42,619.70
  6. Step 6: Final answer
    x = 34,322.71

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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.