Home / 38,074.60-52,542.90-21,307.72

Finding the Fourth Proportional to 38,074.60, 52,542.90 and 21,307.72

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Solution

The fourth proportional to 38,074.60, 52,542.90 and 21,307.72 is: 29,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.60 : 52,542.90 = 21,307.72 : x
  2. Step 2: Convert to fraction form
    38,074.60/52,542.90 = 21,307.72/x
  3. Step 3: Cross multiply
    38,074.60x = 52,542.90 × 21,307.72
  4. Step 4: Simplify right side
    38,074.60x = 1,119,569,401.19
  5. Step 5: Solve for x
    x = 1,119,569,401.19/38,074.60
  6. Step 6: Final answer
    x = 29,404.63

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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.