Home / 40,395.08-60,585.32-12,308.42

Finding the Fourth Proportional to 40,395.08, 60,585.32 and 12,308.42

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Solution

The fourth proportional to 40,395.08, 60,585.32 and 12,308.42 is: 18,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.08 : 60,585.32 = 12,308.42 : x
  2. Step 2: Convert to fraction form
    40,395.08/60,585.32 = 12,308.42/x
  3. Step 3: Cross multiply
    40,395.08x = 60,585.32 × 12,308.42
  4. Step 4: Simplify right side
    40,395.08x = 745,709,564.39
  5. Step 5: Solve for x
    x = 745,709,564.39/40,395.08
  6. Step 6: Final answer
    x = 18,460.41

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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.