Home / 42,193.65-63,278.76-12,604.47

Finding the Fourth Proportional to 42,193.65, 63,278.76 and 12,604.47

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Solution

The fourth proportional to 42,193.65, 63,278.76 and 12,604.47 is: 18,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.65 : 63,278.76 = 12,604.47 : x
  2. Step 2: Convert to fraction form
    42,193.65/63,278.76 = 12,604.47/x
  3. Step 3: Cross multiply
    42,193.65x = 63,278.76 × 12,604.47
  4. Step 4: Simplify right side
    42,193.65x = 797,595,232.06
  5. Step 5: Solve for x
    x = 797,595,232.06/42,193.65
  6. Step 6: Final answer
    x = 18,903.21

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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.