Home / 38,362.16-52,939.79-21,369.68

Finding the Fourth Proportional to 38,362.16, 52,939.79 and 21,369.68

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Solution

The fourth proportional to 38,362.16, 52,939.79 and 21,369.68 is: 29,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362.16 : 52,939.79 = 21,369.68 : x
  2. Step 2: Convert to fraction form
    38,362.16/52,939.79 = 21,369.68/x
  3. Step 3: Cross multiply
    38,362.16x = 52,939.79 × 21,369.68
  4. Step 4: Simplify right side
    38,362.16x = 1,131,306,000.02
  5. Step 5: Solve for x
    x = 1,131,306,000.02/38,362.16
  6. Step 6: Final answer
    x = 29,490.16

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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.