Home / 42,234.84-63,352.25-19,436.39

Finding the Fourth Proportional to 42,234.84, 63,352.25 and 19,436.39

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Solution

The fourth proportional to 42,234.84, 63,352.25 and 19,436.39 is: 29,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.84 : 63,352.25 = 19,436.39 : x
  2. Step 2: Convert to fraction form
    42,234.84/63,352.25 = 19,436.39/x
  3. Step 3: Cross multiply
    42,234.84x = 63,352.25 × 19,436.39
  4. Step 4: Simplify right side
    42,234.84x = 1,231,338,624.43
  5. Step 5: Solve for x
    x = 1,231,338,624.43/42,234.84
  6. Step 6: Final answer
    x = 29,154.57

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1.5x scale

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.