Home / 39,877.84-59,872.11-20,170.27

Finding the Fourth Proportional to 39,877.84, 59,872.11 and 20,170.27

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Solution

The fourth proportional to 39,877.84, 59,872.11 and 20,170.27 is: 30,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.84 : 59,872.11 = 20,170.27 : x
  2. Step 2: Convert to fraction form
    39,877.84/59,872.11 = 20,170.27/x
  3. Step 3: Cross multiply
    39,877.84x = 59,872.11 × 20,170.27
  4. Step 4: Simplify right side
    39,877.84x = 1,207,636,624.17
  5. Step 5: Solve for x
    x = 1,207,636,624.17/39,877.84
  6. Step 6: Final answer
    x = 30,283.40

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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.