Home / 33,270.90-45,911.16-19,121.10

Finding the Fourth Proportional to 33,270.90, 45,911.16 and 19,121.10

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Solution

The fourth proportional to 33,270.90, 45,911.16 and 19,121.10 is: 26,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.90 : 45,911.16 = 19,121.10 : x
  2. Step 2: Convert to fraction form
    33,270.90/45,911.16 = 19,121.10/x
  3. Step 3: Cross multiply
    33,270.90x = 45,911.16 × 19,121.10
  4. Step 4: Simplify right side
    33,270.90x = 877,871,881.48
  5. Step 5: Solve for x
    x = 877,871,881.48/33,270.90
  6. Step 6: Final answer
    x = 26,385.58

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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.