Home / 31,225.12-43,091-17,077.66

Finding the Fourth Proportional to 31,225.12, 43,091 and 17,077.66

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Solution

The fourth proportional to 31,225.12, 43,091 and 17,077.66 is: 23,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.12 : 43,091 = 17,077.66 : x
  2. Step 2: Convert to fraction form
    31,225.12/43,091 = 17,077.66/x
  3. Step 3: Cross multiply
    31,225.12x = 43,091 × 17,077.66
  4. Step 4: Simplify right side
    31,225.12x = 735,893,447.06
  5. Step 5: Solve for x
    x = 735,893,447.06/31,225.12
  6. Step 6: Final answer
    x = 23,567.35

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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.