Home / 38,162.72-52,664.85-21,166.00

Finding the Fourth Proportional to 38,162.72, 52,664.85 and 21,166.00

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Solution

The fourth proportional to 38,162.72, 52,664.85 and 21,166.00 is: 29,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.72 : 52,664.85 = 21,166.00 : x
  2. Step 2: Convert to fraction form
    38,162.72/52,664.85 = 21,166.00/x
  3. Step 3: Cross multiply
    38,162.72x = 52,664.85 × 21,166.00
  4. Step 4: Simplify right side
    38,162.72x = 1,114,704,083.44
  5. Step 5: Solve for x
    x = 1,114,704,083.44/38,162.72
  6. Step 6: Final answer
    x = 29,209.24

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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.