Home / 39,744,031.60-59,618,015.70-20,612,155.60

Finding the Fourth Proportional to 39,744,031.60, 59,618,015.70 and 20,612,155.60

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Solution

The fourth proportional to 39,744,031.60, 59,618,015.70 and 20,612,155.60 is: 30,919,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744,031.60 : 59,618,015.70 = 20,612,155.60 : x
  2. Step 2: Convert to fraction form
    39,744,031.60/59,618,015.70 = 20,612,155.60/x
  3. Step 3: Cross multiply
    39,744,031.60x = 59,618,015.70 × 20,612,155.60
  4. Step 4: Simplify right side
    39,744,031.60x = 1,228,855,816,171,643
  5. Step 5: Solve for x
    x = 1,228,855,816,171,643/39,744,031.60
  6. Step 6: Final answer
    x = 30,919,254.20

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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.