Home / 38,537.18-53,177.02-21,770.18

Finding the Fourth Proportional to 38,537.18, 53,177.02 and 21,770.18

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Solution

The fourth proportional to 38,537.18, 53,177.02 and 21,770.18 is: 30,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.18 : 53,177.02 = 21,770.18 : x
  2. Step 2: Convert to fraction form
    38,537.18/53,177.02 = 21,770.18/x
  3. Step 3: Cross multiply
    38,537.18x = 53,177.02 × 21,770.18
  4. Step 4: Simplify right side
    38,537.18x = 1,157,673,031.38
  5. Step 5: Solve for x
    x = 1,157,673,031.38/38,537.18
  6. Step 6: Final answer
    x = 30,040.42

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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.