Home / 42,272.78-63,416.48-14,195.54

Finding the Fourth Proportional to 42,272.78, 63,416.48 and 14,195.54

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Solution

The fourth proportional to 42,272.78, 63,416.48 and 14,195.54 is: 21,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272.78 : 63,416.48 = 14,195.54 : x
  2. Step 2: Convert to fraction form
    42,272.78/63,416.48 = 14,195.54/x
  3. Step 3: Cross multiply
    42,272.78x = 63,416.48 × 14,195.54
  4. Step 4: Simplify right side
    42,272.78x = 900,231,266.06
  5. Step 5: Solve for x
    x = 900,231,266.06/42,272.78
  6. Step 6: Final answer
    x = 21,295.77

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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.