Home / 53,759.76-74,177.64-31,399.44

Finding the Fourth Proportional to 53,759.76, 74,177.64 and 31,399.44

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Solution

The fourth proportional to 53,759.76, 74,177.64 and 31,399.44 is: 43,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.76 : 74,177.64 = 31,399.44 : x
  2. Step 2: Convert to fraction form
    53,759.76/74,177.64 = 31,399.44/x
  3. Step 3: Cross multiply
    53,759.76x = 74,177.64 × 31,399.44
  4. Step 4: Simplify right side
    53,759.76x = 2,329,136,356.52
  5. Step 5: Solve for x
    x = 2,329,136,356.52/53,759.76
  6. Step 6: Final answer
    x = 43,324.90

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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.