Home / 38,524.08-53,163.48-21,756.72

Finding the Fourth Proportional to 38,524.08, 53,163.48 and 21,756.72

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Solution

The fourth proportional to 38,524.08, 53,163.48 and 21,756.72 is: 30,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524.08 : 53,163.48 = 21,756.72 : x
  2. Step 2: Convert to fraction form
    38,524.08/53,163.48 = 21,756.72/x
  3. Step 3: Cross multiply
    38,524.08x = 53,163.48 × 21,756.72
  4. Step 4: Simplify right side
    38,524.08x = 1,156,662,948.59
  5. Step 5: Solve for x
    x = 1,156,662,948.59/38,524.08
  6. Step 6: Final answer
    x = 30,024.41

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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.