Home / 38,271.78-52,814.16-22,137.90

Finding the Fourth Proportional to 38,271.78, 52,814.16 and 22,137.90

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Solution

The fourth proportional to 38,271.78, 52,814.16 and 22,137.90 is: 30,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.78 : 52,814.16 = 22,137.90 : x
  2. Step 2: Convert to fraction form
    38,271.78/52,814.16 = 22,137.90/x
  3. Step 3: Cross multiply
    38,271.78x = 52,814.16 × 22,137.90
  4. Step 4: Simplify right side
    38,271.78x = 1,169,194,592.66
  5. Step 5: Solve for x
    x = 1,169,194,592.66/38,271.78
  6. Step 6: Final answer
    x = 30,549.78

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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.