Home / 38,681.40-53,370.13-22,324.54

Finding the Fourth Proportional to 38,681.40, 53,370.13 and 22,324.54

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Solution

The fourth proportional to 38,681.40, 53,370.13 and 22,324.54 is: 30,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,681.40 : 53,370.13 = 22,324.54 : x
  2. Step 2: Convert to fraction form
    38,681.40/53,370.13 = 22,324.54/x
  3. Step 3: Cross multiply
    38,681.40x = 53,370.13 × 22,324.54
  4. Step 4: Simplify right side
    38,681.40x = 1,191,463,601.99
  5. Step 5: Solve for x
    x = 1,191,463,601.99/38,681.40
  6. Step 6: Final answer
    x = 30,801.98

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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.