Home / 31,037.60-42,836.64-17,610.32

Finding the Fourth Proportional to 31,037.60, 42,836.64 and 17,610.32

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Solution

The fourth proportional to 31,037.60, 42,836.64 and 17,610.32 is: 24,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037.60 : 42,836.64 = 17,610.32 : x
  2. Step 2: Convert to fraction form
    31,037.60/42,836.64 = 17,610.32/x
  3. Step 3: Cross multiply
    31,037.60x = 42,836.64 × 17,610.32
  4. Step 4: Simplify right side
    31,037.60x = 754,366,938.12
  5. Step 5: Solve for x
    x = 754,366,938.12/31,037.60
  6. Step 6: Final answer
    x = 24,304.94

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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.