Home / 31,210.40-43,071.61-17,063.25

Finding the Fourth Proportional to 31,210.40, 43,071.61 and 17,063.25

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Solution

The fourth proportional to 31,210.40, 43,071.61 and 17,063.25 is: 23,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.40 : 43,071.61 = 17,063.25 : x
  2. Step 2: Convert to fraction form
    31,210.40/43,071.61 = 17,063.25/x
  3. Step 3: Cross multiply
    31,210.40x = 43,071.61 × 17,063.25
  4. Step 4: Simplify right side
    31,210.40x = 734,941,649.33
  5. Step 5: Solve for x
    x = 734,941,649.33/31,210.40
  6. Step 6: Final answer
    x = 23,547.97

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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.