Home / 48,349.10-66,728.40-27,129.62

Finding the Fourth Proportional to 48,349.10, 66,728.40 and 27,129.62

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Solution

The fourth proportional to 48,349.10, 66,728.40 and 27,129.62 is: 37,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.10 : 66,728.40 = 27,129.62 : x
  2. Step 2: Convert to fraction form
    48,349.10/66,728.40 = 27,129.62/x
  3. Step 3: Cross multiply
    48,349.10x = 66,728.40 × 27,129.62
  4. Step 4: Simplify right side
    48,349.10x = 1,810,316,135.21
  5. Step 5: Solve for x
    x = 1,810,316,135.21/48,349.10
  6. Step 6: Final answer
    x = 37,442.60

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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.