Home / 40,925.18-61,420.57-21,209.37

Finding the Fourth Proportional to 40,925.18, 61,420.57 and 21,209.37

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Solution

The fourth proportional to 40,925.18, 61,420.57 and 21,209.37 is: 31,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,925.18 : 61,420.57 = 21,209.37 : x
  2. Step 2: Convert to fraction form
    40,925.18/61,420.57 = 21,209.37/x
  3. Step 3: Cross multiply
    40,925.18x = 61,420.57 × 21,209.37
  4. Step 4: Simplify right side
    40,925.18x = 1,302,691,594.74
  5. Step 5: Solve for x
    x = 1,302,691,594.74/40,925.18
  6. Step 6: Final answer
    x = 31,831.06

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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.