Home / 31,695.38-43,740.29-17,355.81

Finding the Fourth Proportional to 31,695.38, 43,740.29 and 17,355.81

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Solution

The fourth proportional to 31,695.38, 43,740.29 and 17,355.81 is: 23,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.38 : 43,740.29 = 17,355.81 : x
  2. Step 2: Convert to fraction form
    31,695.38/43,740.29 = 17,355.81/x
  3. Step 3: Cross multiply
    31,695.38x = 43,740.29 × 17,355.81
  4. Step 4: Simplify right side
    31,695.38x = 759,148,075.81
  5. Step 5: Solve for x
    x = 759,148,075.81/31,695.38
  6. Step 6: Final answer
    x = 23,951.38

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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.