Home / 38,721.32-58,075.04-10,258.46

Finding the Fourth Proportional to 38,721.32, 58,075.04 and 10,258.46

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Solution

The fourth proportional to 38,721.32, 58,075.04 and 10,258.46 is: 15,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,721.32 : 58,075.04 = 10,258.46 : x
  2. Step 2: Convert to fraction form
    38,721.32/58,075.04 = 10,258.46/x
  3. Step 3: Cross multiply
    38,721.32x = 58,075.04 × 10,258.46
  4. Step 4: Simplify right side
    38,721.32x = 595,760,474.84
  5. Step 5: Solve for x
    x = 595,760,474.84/38,721.32
  6. Step 6: Final answer
    x = 15,385.85

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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.