Home / 38,901.81-53,681.36-22,134.81

Finding the Fourth Proportional to 38,901.81, 53,681.36 and 22,134.81

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Solution

The fourth proportional to 38,901.81, 53,681.36 and 22,134.81 is: 30,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,901.81 : 53,681.36 = 22,134.81 : x
  2. Step 2: Convert to fraction form
    38,901.81/53,681.36 = 22,134.81/x
  3. Step 3: Cross multiply
    38,901.81x = 53,681.36 × 22,134.81
  4. Step 4: Simplify right side
    38,901.81x = 1,188,226,593.47
  5. Step 5: Solve for x
    x = 1,188,226,593.47/38,901.81
  6. Step 6: Final answer
    x = 30,544.25

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Half scale
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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.