Home / 48,420-66,823.25-29,560.77

Finding the Fourth Proportional to 48,420, 66,823.25 and 29,560.77

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Solution

The fourth proportional to 48,420, 66,823.25 and 29,560.77 is: 40,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420 : 66,823.25 = 29,560.77 : x
  2. Step 2: Convert to fraction form
    48,420/66,823.25 = 29,560.77/x
  3. Step 3: Cross multiply
    48,420x = 66,823.25 × 29,560.77
  4. Step 4: Simplify right side
    48,420x = 1,975,346,576.10
  5. Step 5: Solve for x
    x = 1,975,346,576.10/48,420
  6. Step 6: Final answer
    x = 40,796.09

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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.