Home / 45,471.04-68,215.20-15,897.28

Finding the Fourth Proportional to 45,471.04, 68,215.20 and 15,897.28

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Solution

The fourth proportional to 45,471.04, 68,215.20 and 15,897.28 is: 23,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,471.04 : 68,215.20 = 15,897.28 : x
  2. Step 2: Convert to fraction form
    45,471.04/68,215.20 = 15,897.28/x
  3. Step 3: Cross multiply
    45,471.04x = 68,215.20 × 15,897.28
  4. Step 4: Simplify right side
    45,471.04x = 1,084,436,134.66
  5. Step 5: Solve for x
    x = 1,084,436,134.66/45,471.04
  6. Step 6: Final answer
    x = 23,848.94

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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.