Home / 61,351.02-91,989.54-40,019.67

Finding the Fourth Proportional to 61,351.02, 91,989.54 and 40,019.67

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Solution

The fourth proportional to 61,351.02, 91,989.54 and 40,019.67 is: 60,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,351.02 : 91,989.54 = 40,019.67 : x
  2. Step 2: Convert to fraction form
    61,351.02/91,989.54 = 40,019.67/x
  3. Step 3: Cross multiply
    61,351.02x = 91,989.54 × 40,019.67
  4. Step 4: Simplify right side
    61,351.02x = 3,681,391,034.25
  5. Step 5: Solve for x
    x = 3,681,391,034.25/61,351.02
  6. Step 6: Final answer
    x = 60,005.38

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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.