Home / 48,149.44-66,307.62-39,688.18

Finding the Fourth Proportional to 48,149.44, 66,307.62 and 39,688.18

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Solution

The fourth proportional to 48,149.44, 66,307.62 and 39,688.18 is: 54,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.44 : 66,307.62 = 39,688.18 : x
  2. Step 2: Convert to fraction form
    48,149.44/66,307.62 = 39,688.18/x
  3. Step 3: Cross multiply
    48,149.44x = 66,307.62 × 39,688.18
  4. Step 4: Simplify right side
    48,149.44x = 2,631,628,757.93
  5. Step 5: Solve for x
    x = 2,631,628,757.93/48,149.44
  6. Step 6: Final answer
    x = 54,655.44

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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.