Home / 47,440.32-65,418.48-40,748.04

Finding the Fourth Proportional to 47,440.32, 65,418.48 and 40,748.04

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Solution

The fourth proportional to 47,440.32, 65,418.48 and 40,748.04 is: 56,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,440.32 : 65,418.48 = 40,748.04 : x
  2. Step 2: Convert to fraction form
    47,440.32/65,418.48 = 40,748.04/x
  3. Step 3: Cross multiply
    47,440.32x = 65,418.48 × 40,748.04
  4. Step 4: Simplify right side
    47,440.32x = 2,665,674,839.78
  5. Step 5: Solve for x
    x = 2,665,674,839.78/47,440.32
  6. Step 6: Final answer
    x = 56,190.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.