Home / 42,273.93-63,410.76-12,691.74

Finding the Fourth Proportional to 42,273.93, 63,410.76 and 12,691.74

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Solution

The fourth proportional to 42,273.93, 63,410.76 and 12,691.74 is: 19,037.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.93 : 63,410.76 = 12,691.74 : x
  2. Step 2: Convert to fraction form
    42,273.93/63,410.76 = 12,691.74/x
  3. Step 3: Cross multiply
    42,273.93x = 63,410.76 × 12,691.74
  4. Step 4: Simplify right side
    42,273.93x = 804,792,879.12
  5. Step 5: Solve for x
    x = 804,792,879.12/42,273.93
  6. Step 6: Final answer
    x = 19,037.57

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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.