Home / 33,130.40-45,720.41-18,983.25

Finding the Fourth Proportional to 33,130.40, 45,720.41 and 18,983.25

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Solution

The fourth proportional to 33,130.40, 45,720.41 and 18,983.25 is: 26,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.40 : 45,720.41 = 18,983.25 : x
  2. Step 2: Convert to fraction form
    33,130.40/45,720.41 = 18,983.25/x
  3. Step 3: Cross multiply
    33,130.40x = 45,720.41 × 18,983.25
  4. Step 4: Simplify right side
    33,130.40x = 867,921,878.22
  5. Step 5: Solve for x
    x = 867,921,878.22/33,130.40
  6. Step 6: Final answer
    x = 26,197.15

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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.