Home / 36,255.40-54,383.10-30,111.40

Finding the Fourth Proportional to 36,255.40, 54,383.10 and 30,111.40

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Solution

The fourth proportional to 36,255.40, 54,383.10 and 30,111.40 is: 45,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255.40 : 54,383.10 = 30,111.40 : x
  2. Step 2: Convert to fraction form
    36,255.40/54,383.10 = 30,111.40/x
  3. Step 3: Cross multiply
    36,255.40x = 54,383.10 × 30,111.40
  4. Step 4: Simplify right side
    36,255.40x = 1,637,551,277.34
  5. Step 5: Solve for x
    x = 1,637,551,277.34/36,255.40
  6. Step 6: Final answer
    x = 45,167.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.