Home / 53,760.76-74,179.02-31,400.44

Finding the Fourth Proportional to 53,760.76, 74,179.02 and 31,400.44

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Solution

The fourth proportional to 53,760.76, 74,179.02 and 31,400.44 is: 43,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.76 : 74,179.02 = 31,400.44 : x
  2. Step 2: Convert to fraction form
    53,760.76/74,179.02 = 31,400.44/x
  3. Step 3: Cross multiply
    53,760.76x = 74,179.02 × 31,400.44
  4. Step 4: Simplify right side
    53,760.76x = 2,329,253,866.77
  5. Step 5: Solve for x
    x = 2,329,253,866.77/53,760.76
  6. Step 6: Final answer
    x = 43,326.28

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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.