Home / 39,904.25-55,071.70-23,988.35

Finding the Fourth Proportional to 39,904.25, 55,071.70 and 23,988.35

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Solution

The fourth proportional to 39,904.25, 55,071.70 and 23,988.35 is: 33,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.25 : 55,071.70 = 23,988.35 : x
  2. Step 2: Convert to fraction form
    39,904.25/55,071.70 = 23,988.35/x
  3. Step 3: Cross multiply
    39,904.25x = 55,071.70 × 23,988.35
  4. Step 4: Simplify right side
    39,904.25x = 1,321,079,292.40
  5. Step 5: Solve for x
    x = 1,321,079,292.40/39,904.25
  6. Step 6: Final answer
    x = 33,106.23

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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.