Home / 44,137.50-66,206.25-12,972.75

Finding the Fourth Proportional to 44,137.50, 66,206.25 and 12,972.75

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Solution

The fourth proportional to 44,137.50, 66,206.25 and 12,972.75 is: 19,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,137.50 : 66,206.25 = 12,972.75 : x
  2. Step 2: Convert to fraction form
    44,137.50/66,206.25 = 12,972.75/x
  3. Step 3: Cross multiply
    44,137.50x = 66,206.25 × 12,972.75
  4. Step 4: Simplify right side
    44,137.50x = 858,877,129.69
  5. Step 5: Solve for x
    x = 858,877,129.69/44,137.50
  6. Step 6: Final answer
    x = 19,459.13

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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.