Home / 39,744,021.60-59,618,000.70-20,612,145.60

Finding the Fourth Proportional to 39,744,021.60, 59,618,000.70 and 20,612,145.60

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Solution

The fourth proportional to 39,744,021.60, 59,618,000.70 and 20,612,145.60 is: 30,919,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744,021.60 : 59,618,000.70 = 20,612,145.60 : x
  2. Step 2: Convert to fraction form
    39,744,021.60/59,618,000.70 = 20,612,145.60/x
  3. Step 3: Cross multiply
    39,744,021.60x = 59,618,000.70 × 20,612,145.60
  4. Step 4: Simplify right side
    39,744,021.60x = 1,228,854,910,809,302
  5. Step 5: Solve for x
    x = 1,228,854,910,809,302/39,744,021.60
  6. Step 6: Final answer
    x = 30,919,239.20

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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.