Home / 31,411.84-43,348.68-17,071.68

Finding the Fourth Proportional to 31,411.84, 43,348.68 and 17,071.68

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Solution

The fourth proportional to 31,411.84, 43,348.68 and 17,071.68 is: 23,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.84 : 43,348.68 = 17,071.68 : x
  2. Step 2: Convert to fraction form
    31,411.84/43,348.68 = 17,071.68/x
  3. Step 3: Cross multiply
    31,411.84x = 43,348.68 × 17,071.68
  4. Step 4: Simplify right side
    31,411.84x = 740,034,594.80
  5. Step 5: Solve for x
    x = 740,034,594.80/31,411.84
  6. Step 6: Final answer
    x = 23,559.09

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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.