Home / 36,040.89-54,023.06-21,256.77

Finding the Fourth Proportional to 36,040.89, 54,023.06 and 21,256.77

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Solution

The fourth proportional to 36,040.89, 54,023.06 and 21,256.77 is: 31,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040.89 : 54,023.06 = 21,256.77 : x
  2. Step 2: Convert to fraction form
    36,040.89/54,023.06 = 21,256.77/x
  3. Step 3: Cross multiply
    36,040.89x = 54,023.06 × 21,256.77
  4. Step 4: Simplify right side
    36,040.89x = 1,148,355,814.26
  5. Step 5: Solve for x
    x = 1,148,355,814.26/36,040.89
  6. Step 6: Final answer
    x = 31,862.58

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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.