Home / 38,161.18-52,663.87-21,165.45

Finding the Fourth Proportional to 38,161.18, 52,663.87 and 21,165.45

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Solution

The fourth proportional to 38,161.18, 52,663.87 and 21,165.45 is: 29,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.18 : 52,663.87 = 21,165.45 : x
  2. Step 2: Convert to fraction form
    38,161.18/52,663.87 = 21,165.45/x
  3. Step 3: Cross multiply
    38,161.18x = 52,663.87 × 21,165.45
  4. Step 4: Simplify right side
    38,161.18x = 1,114,654,632.49
  5. Step 5: Solve for x
    x = 1,114,654,632.49/38,161.18
  6. Step 6: Final answer
    x = 29,209.13

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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.