Home / 31,376.80-43,338.58-23,454.40

Finding the Fourth Proportional to 31,376.80, 43,338.58 and 23,454.40

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Solution

The fourth proportional to 31,376.80, 43,338.58 and 23,454.40 is: 32,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.80 : 43,338.58 = 23,454.40 : x
  2. Step 2: Convert to fraction form
    31,376.80/43,338.58 = 23,454.40/x
  3. Step 3: Cross multiply
    31,376.80x = 43,338.58 × 23,454.40
  4. Step 4: Simplify right side
    31,376.80x = 1,016,480,174.06
  5. Step 5: Solve for x
    x = 1,016,480,174.06/31,376.80
  6. Step 6: Final answer
    x = 32,395.92

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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.