Home / 48,198.16-66,469.12-40,720.24

Finding the Fourth Proportional to 48,198.16, 66,469.12 and 40,720.24

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Solution

The fourth proportional to 48,198.16, 66,469.12 and 40,720.24 is: 56,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.16 : 66,469.12 = 40,720.24 : x
  2. Step 2: Convert to fraction form
    48,198.16/66,469.12 = 40,720.24/x
  3. Step 3: Cross multiply
    48,198.16x = 66,469.12 × 40,720.24
  4. Step 4: Simplify right side
    48,198.16x = 2,706,638,518.99
  5. Step 5: Solve for x
    x = 2,706,638,518.99/48,198.16
  6. Step 6: Final answer
    x = 56,156.47

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1.5x scale

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.