Home / 40,395.85-60,603.39-20,356.10

Finding the Fourth Proportional to 40,395.85, 60,603.39 and 20,356.10

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Solution

The fourth proportional to 40,395.85, 60,603.39 and 20,356.10 is: 30,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.85 : 60,603.39 = 20,356.10 : x
  2. Step 2: Convert to fraction form
    40,395.85/60,603.39 = 20,356.10/x
  3. Step 3: Cross multiply
    40,395.85x = 60,603.39 × 20,356.10
  4. Step 4: Simplify right side
    40,395.85x = 1,233,648,717.49
  5. Step 5: Solve for x
    x = 1,233,648,717.49/40,395.85
  6. Step 6: Final answer
    x = 30,539.00

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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.