Home / 31,347.51-43,258.08-17,200.05

Finding the Fourth Proportional to 31,347.51, 43,258.08 and 17,200.05

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Solution

The fourth proportional to 31,347.51, 43,258.08 and 17,200.05 is: 23,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.51 : 43,258.08 = 17,200.05 : x
  2. Step 2: Convert to fraction form
    31,347.51/43,258.08 = 17,200.05/x
  3. Step 3: Cross multiply
    31,347.51x = 43,258.08 × 17,200.05
  4. Step 4: Simplify right side
    31,347.51x = 744,041,138.90
  5. Step 5: Solve for x
    x = 744,041,138.90/31,347.51
  6. Step 6: Final answer
    x = 23,735.25

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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.