Home / 42,378.27-63,555.66-12,797.07

Finding the Fourth Proportional to 42,378.27, 63,555.66 and 12,797.07

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Solution

The fourth proportional to 42,378.27, 63,555.66 and 12,797.07 is: 19,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.27 : 63,555.66 = 12,797.07 : x
  2. Step 2: Convert to fraction form
    42,378.27/63,555.66 = 12,797.07/x
  3. Step 3: Cross multiply
    42,378.27x = 63,555.66 × 12,797.07
  4. Step 4: Simplify right side
    42,378.27x = 813,326,229.92
  5. Step 5: Solve for x
    x = 813,326,229.92/42,378.27
  6. Step 6: Final answer
    x = 19,192.06

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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.