Home / 42,220.49-63,352.53-18,544.68

Finding the Fourth Proportional to 42,220.49, 63,352.53 and 18,544.68

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Solution

The fourth proportional to 42,220.49, 63,352.53 and 18,544.68 is: 27,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.49 : 63,352.53 = 18,544.68 : x
  2. Step 2: Convert to fraction form
    42,220.49/63,352.53 = 18,544.68/x
  3. Step 3: Cross multiply
    42,220.49x = 63,352.53 × 18,544.68
  4. Step 4: Simplify right side
    42,220.49x = 1,174,852,396.04
  5. Step 5: Solve for x
    x = 1,174,852,396.04/42,220.49
  6. Step 6: Final answer
    x = 27,826.60

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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.