Home / 42,273.66-63,391.77-18,883.74

Finding the Fourth Proportional to 42,273.66, 63,391.77 and 18,883.74

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Solution

The fourth proportional to 42,273.66, 63,391.77 and 18,883.74 is: 28,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.66 : 63,391.77 = 18,883.74 : x
  2. Step 2: Convert to fraction form
    42,273.66/63,391.77 = 18,883.74/x
  3. Step 3: Cross multiply
    42,273.66x = 63,391.77 × 18,883.74
  4. Step 4: Simplify right side
    42,273.66x = 1,197,073,702.82
  5. Step 5: Solve for x
    x = 1,197,073,702.82/42,273.66
  6. Step 6: Final answer
    x = 28,317.25

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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.