Home / 39,307,632.40-58,961,448.60-20,175,756.40

Finding the Fourth Proportional to 39,307,632.40, 58,961,448.60 and 20,175,756.40

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Solution

The fourth proportional to 39,307,632.40, 58,961,448.60 and 20,175,756.40 is: 30,263,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307,632.40 : 58,961,448.60 = 20,175,756.40 : x
  2. Step 2: Convert to fraction form
    39,307,632.40/58,961,448.60 = 20,175,756.40/x
  3. Step 3: Cross multiply
    39,307,632.40x = 58,961,448.60 × 20,175,756.40
  4. Step 4: Simplify right side
    39,307,632.40x = 1,189,591,823,944,721
  5. Step 5: Solve for x
    x = 1,189,591,823,944,721/39,307,632.40
  6. Step 6: Final answer
    x = 30,263,634.60

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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.