Home / 42,260.49-63,408.51-18,555.84

Finding the Fourth Proportional to 42,260.49, 63,408.51 and 18,555.84

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Solution

The fourth proportional to 42,260.49, 63,408.51 and 18,555.84 is: 27,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,260.49 : 63,408.51 = 18,555.84 : x
  2. Step 2: Convert to fraction form
    42,260.49/63,408.51 = 18,555.84/x
  3. Step 3: Cross multiply
    42,260.49x = 63,408.51 × 18,555.84
  4. Step 4: Simplify right side
    42,260.49x = 1,176,598,166.20
  5. Step 5: Solve for x
    x = 1,176,598,166.20/42,260.49
  6. Step 6: Final answer
    x = 27,841.56

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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.