Home / 38,533.41-53,164.10-21,535.25

Finding the Fourth Proportional to 38,533.41, 53,164.10 and 21,535.25

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Solution

The fourth proportional to 38,533.41, 53,164.10 and 21,535.25 is: 29,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,533.41 : 53,164.10 = 21,535.25 : x
  2. Step 2: Convert to fraction form
    38,533.41/53,164.10 = 21,535.25/x
  3. Step 3: Cross multiply
    38,533.41x = 53,164.10 × 21,535.25
  4. Step 4: Simplify right side
    38,533.41x = 1,144,901,811.03
  5. Step 5: Solve for x
    x = 1,144,901,811.03/38,533.41
  6. Step 6: Final answer
    x = 29,711.93

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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.