Home / 42,329.79-63,495.99-12,747.84

Finding the Fourth Proportional to 42,329.79, 63,495.99 and 12,747.84

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Solution

The fourth proportional to 42,329.79, 63,495.99 and 12,747.84 is: 19,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,329.79 : 63,495.99 = 12,747.84 : x
  2. Step 2: Convert to fraction form
    42,329.79/63,495.99 = 12,747.84/x
  3. Step 3: Cross multiply
    42,329.79x = 63,495.99 × 12,747.84
  4. Step 4: Simplify right side
    42,329.79x = 809,436,721.16
  5. Step 5: Solve for x
    x = 809,436,721.16/42,329.79
  6. Step 6: Final answer
    x = 19,122.15

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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.