Home / 31,347.47-43,262.22-17,203.05

Finding the Fourth Proportional to 31,347.47, 43,262.22 and 17,203.05

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Solution

The fourth proportional to 31,347.47, 43,262.22 and 17,203.05 is: 23,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.47 : 43,262.22 = 17,203.05 : x
  2. Step 2: Convert to fraction form
    31,347.47/43,262.22 = 17,203.05/x
  3. Step 3: Cross multiply
    31,347.47x = 43,262.22 × 17,203.05
  4. Step 4: Simplify right side
    31,347.47x = 744,242,133.77
  5. Step 5: Solve for x
    x = 744,242,133.77/31,347.47
  6. Step 6: Final answer
    x = 23,741.70

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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.