Home / 38,721.58-58,083.01-10,641.46

Finding the Fourth Proportional to 38,721.58, 58,083.01 and 10,641.46

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Solution

The fourth proportional to 38,721.58, 58,083.01 and 10,641.46 is: 15,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.58 : 58,083.01 = 10,641.46 : x
  2. Step 2: Convert to fraction form
    38,721.58/58,083.01 = 10,641.46/x
  3. Step 3: Cross multiply
    38,721.58x = 58,083.01 × 10,641.46
  4. Step 4: Simplify right side
    38,721.58x = 618,088,113.50
  5. Step 5: Solve for x
    x = 618,088,113.50/38,721.58
  6. Step 6: Final answer
    x = 15,962.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.