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Finding the Fourth Proportional to 29,852.80, 44,706.30 and 19,938.40

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Solution

The fourth proportional to 29,852.80, 44,706.30 and 19,938.40 is: 29,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,852.80 : 44,706.30 = 19,938.40 : x
  2. Step 2: Convert to fraction form
    29,852.80/44,706.30 = 19,938.40/x
  3. Step 3: Cross multiply
    29,852.80x = 44,706.30 × 19,938.40
  4. Step 4: Simplify right side
    29,852.80x = 891,372,091.92
  5. Step 5: Solve for x
    x = 891,372,091.92/29,852.80
  6. Step 6: Final answer
    x = 29,858.91

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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.