Home / 48,128.78-66,414.03-26,905.16

Finding the Fourth Proportional to 48,128.78, 66,414.03 and 26,905.16

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Solution

The fourth proportional to 48,128.78, 66,414.03 and 26,905.16 is: 37,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.78 : 66,414.03 = 26,905.16 : x
  2. Step 2: Convert to fraction form
    48,128.78/66,414.03 = 26,905.16/x
  3. Step 3: Cross multiply
    48,128.78x = 66,414.03 × 26,905.16
  4. Step 4: Simplify right side
    48,128.78x = 1,786,880,168.54
  5. Step 5: Solve for x
    x = 1,786,880,168.54/48,128.78
  6. Step 6: Final answer
    x = 37,127.06

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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.