Home / 53,919.85-74,409.68-31,272.27

Finding the Fourth Proportional to 53,919.85, 74,409.68 and 31,272.27

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Solution

The fourth proportional to 53,919.85, 74,409.68 and 31,272.27 is: 43,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.85 : 74,409.68 = 31,272.27 : x
  2. Step 2: Convert to fraction form
    53,919.85/74,409.68 = 31,272.27/x
  3. Step 3: Cross multiply
    53,919.85x = 74,409.68 × 31,272.27
  4. Step 4: Simplify right side
    53,919.85x = 2,326,959,231.53
  5. Step 5: Solve for x
    x = 2,326,959,231.53/53,919.85
  6. Step 6: Final answer
    x = 43,155.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.