Home / 53,799.96-74,216.28-31,431

Finding the Fourth Proportional to 53,799.96, 74,216.28 and 31,431

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Solution

The fourth proportional to 53,799.96, 74,216.28 and 31,431 is: 43,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,799.96 : 74,216.28 = 31,431 : x
  2. Step 2: Convert to fraction form
    53,799.96/74,216.28 = 31,431/x
  3. Step 3: Cross multiply
    53,799.96x = 74,216.28 × 31,431
  4. Step 4: Simplify right side
    53,799.96x = 2,332,691,896.68
  5. Step 5: Solve for x
    x = 2,332,691,896.68/53,799.96
  6. Step 6: Final answer
    x = 43,358.62

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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.