Home / 31,239.06-43,110.92-17,810.06

Finding the Fourth Proportional to 31,239.06, 43,110.92 and 17,810.06

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Solution

The fourth proportional to 31,239.06, 43,110.92 and 17,810.06 is: 24,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.06 : 43,110.92 = 17,810.06 : x
  2. Step 2: Convert to fraction form
    31,239.06/43,110.92 = 17,810.06/x
  3. Step 3: Cross multiply
    31,239.06x = 43,110.92 × 17,810.06
  4. Step 4: Simplify right side
    31,239.06x = 767,808,071.86
  5. Step 5: Solve for x
    x = 767,808,071.86/31,239.06
  6. Step 6: Final answer
    x = 24,578.46

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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.