Home / 38,725.01-53,437.24-21,726.96

Finding the Fourth Proportional to 38,725.01, 53,437.24 and 21,726.96

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Solution

The fourth proportional to 38,725.01, 53,437.24 and 21,726.96 is: 29,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.01 : 53,437.24 = 21,726.96 : x
  2. Step 2: Convert to fraction form
    38,725.01/53,437.24 = 21,726.96/x
  3. Step 3: Cross multiply
    38,725.01x = 53,437.24 × 21,726.96
  4. Step 4: Simplify right side
    38,725.01x = 1,161,028,721.67
  5. Step 5: Solve for x
    x = 1,161,028,721.67/38,725.01
  6. Step 6: Final answer
    x = 29,981.36

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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.