Home / 38,152.83-52,651.21-21,156.09

Finding the Fourth Proportional to 38,152.83, 52,651.21 and 21,156.09

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Solution

The fourth proportional to 38,152.83, 52,651.21 and 21,156.09 is: 29,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.83 : 52,651.21 = 21,156.09 : x
  2. Step 2: Convert to fraction form
    38,152.83/52,651.21 = 21,156.09/x
  3. Step 3: Cross multiply
    38,152.83x = 52,651.21 × 21,156.09
  4. Step 4: Simplify right side
    38,152.83x = 1,113,893,526.70
  5. Step 5: Solve for x
    x = 1,113,893,526.70/38,152.83
  6. Step 6: Final answer
    x = 29,195.56

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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.