Home / 38,560.34-53,212.90-21,564.39

Finding the Fourth Proportional to 38,560.34, 53,212.90 and 21,564.39

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Solution

The fourth proportional to 38,560.34, 53,212.90 and 21,564.39 is: 29,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.34 : 53,212.90 = 21,564.39 : x
  2. Step 2: Convert to fraction form
    38,560.34/53,212.90 = 21,564.39/x
  3. Step 3: Cross multiply
    38,560.34x = 53,212.90 × 21,564.39
  4. Step 4: Simplify right side
    38,560.34x = 1,147,503,728.63
  5. Step 5: Solve for x
    x = 1,147,503,728.63/38,560.34
  6. Step 6: Final answer
    x = 29,758.65

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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.