Home / 29,427.40-44,102.70-21,209.80

Finding the Fourth Proportional to 29,427.40, 44,102.70 and 21,209.80

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Solution

The fourth proportional to 29,427.40, 44,102.70 and 21,209.80 is: 31,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,427.40 : 44,102.70 = 21,209.80 : x
  2. Step 2: Convert to fraction form
    29,427.40/44,102.70 = 21,209.80/x
  3. Step 3: Cross multiply
    29,427.40x = 44,102.70 × 21,209.80
  4. Step 4: Simplify right side
    29,427.40x = 935,409,446.46
  5. Step 5: Solve for x
    x = 935,409,446.46/29,427.40
  6. Step 6: Final answer
    x = 31,787.02

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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.