Home / 33,240.51-45,870.91-18,133.47

Finding the Fourth Proportional to 33,240.51, 45,870.91 and 18,133.47

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Solution

The fourth proportional to 33,240.51, 45,870.91 and 18,133.47 is: 25,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.51 : 45,870.91 = 18,133.47 : x
  2. Step 2: Convert to fraction form
    33,240.51/45,870.91 = 18,133.47/x
  3. Step 3: Cross multiply
    33,240.51x = 45,870.91 × 18,133.47
  4. Step 4: Simplify right side
    33,240.51x = 831,798,725.02
  5. Step 5: Solve for x
    x = 831,798,725.02/33,240.51
  6. Step 6: Final answer
    x = 25,023.65

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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.