Home / 31,454.80-43,407.55-17,307.65

Finding the Fourth Proportional to 31,454.80, 43,407.55 and 17,307.65

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Solution

The fourth proportional to 31,454.80, 43,407.55 and 17,307.65 is: 23,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.80 : 43,407.55 = 17,307.65 : x
  2. Step 2: Convert to fraction form
    31,454.80/43,407.55 = 17,307.65/x
  3. Step 3: Cross multiply
    31,454.80x = 43,407.55 × 17,307.65
  4. Step 4: Simplify right side
    31,454.80x = 751,282,465.72
  5. Step 5: Solve for x
    x = 751,282,465.72/31,454.80
  6. Step 6: Final answer
    x = 23,884.51

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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.