Home / 37,885.76-52,283.04-21,116.96

Finding the Fourth Proportional to 37,885.76, 52,283.04 and 21,116.96

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Solution

The fourth proportional to 37,885.76, 52,283.04 and 21,116.96 is: 29,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.76 : 52,283.04 = 21,116.96 : x
  2. Step 2: Convert to fraction form
    37,885.76/52,283.04 = 21,116.96/x
  3. Step 3: Cross multiply
    37,885.76x = 52,283.04 × 21,116.96
  4. Step 4: Simplify right side
    37,885.76x = 1,104,058,864.36
  5. Step 5: Solve for x
    x = 1,104,058,864.36/37,885.76
  6. Step 6: Final answer
    x = 29,141.79

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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.