Home / 40,391.02-60,492.48-38,989.72

Finding the Fourth Proportional to 40,391.02, 60,492.48 and 38,989.72

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Solution

The fourth proportional to 40,391.02, 60,492.48 and 38,989.72 is: 58,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.02 : 60,492.48 = 38,989.72 : x
  2. Step 2: Convert to fraction form
    40,391.02/60,492.48 = 38,989.72/x
  3. Step 3: Cross multiply
    40,391.02x = 60,492.48 × 38,989.72
  4. Step 4: Simplify right side
    40,391.02x = 2,358,584,857.31
  5. Step 5: Solve for x
    x = 2,358,584,857.31/40,391.02
  6. Step 6: Final answer
    x = 58,393.79

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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.