Home / 31,315.07-43,214.81-17,167.93

Finding the Fourth Proportional to 31,315.07, 43,214.81 and 17,167.93

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Solution

The fourth proportional to 31,315.07, 43,214.81 and 17,167.93 is: 23,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.07 : 43,214.81 = 17,167.93 : x
  2. Step 2: Convert to fraction form
    31,315.07/43,214.81 = 17,167.93/x
  3. Step 3: Cross multiply
    31,315.07x = 43,214.81 × 17,167.93
  4. Step 4: Simplify right side
    31,315.07x = 741,908,639.17
  5. Step 5: Solve for x
    x = 741,908,639.17/31,315.07
  6. Step 6: Final answer
    x = 23,691.74

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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.