Home / 31,395.39-43,325.04-17,967.61

Finding the Fourth Proportional to 31,395.39, 43,325.04 and 17,967.61

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Solution

The fourth proportional to 31,395.39, 43,325.04 and 17,967.61 is: 24,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.39 : 43,325.04 = 17,967.61 : x
  2. Step 2: Convert to fraction form
    31,395.39/43,325.04 = 17,967.61/x
  3. Step 3: Cross multiply
    31,395.39x = 43,325.04 × 17,967.61
  4. Step 4: Simplify right side
    31,395.39x = 778,447,421.95
  5. Step 5: Solve for x
    x = 778,447,421.95/31,395.39
  6. Step 6: Final answer
    x = 24,794.96

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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.