Home / 31,347.12-43,259.04-17,199.93

Finding the Fourth Proportional to 31,347.12, 43,259.04 and 17,199.93

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Solution

The fourth proportional to 31,347.12, 43,259.04 and 17,199.93 is: 23,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.12 : 43,259.04 = 17,199.93 : x
  2. Step 2: Convert to fraction form
    31,347.12/43,259.04 = 17,199.93/x
  3. Step 3: Cross multiply
    31,347.12x = 43,259.04 × 17,199.93
  4. Step 4: Simplify right side
    31,347.12x = 744,052,459.87
  5. Step 5: Solve for x
    x = 744,052,459.87/31,347.12
  6. Step 6: Final answer
    x = 23,735.91

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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.