Home / 48,105.89-66,386.22-26,885.15

Finding the Fourth Proportional to 48,105.89, 66,386.22 and 26,885.15

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Solution

The fourth proportional to 48,105.89, 66,386.22 and 26,885.15 is: 37,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.89 : 66,386.22 = 26,885.15 : x
  2. Step 2: Convert to fraction form
    48,105.89/66,386.22 = 26,885.15/x
  3. Step 3: Cross multiply
    48,105.89x = 66,386.22 × 26,885.15
  4. Step 4: Simplify right side
    48,105.89x = 1,784,803,415.42
  5. Step 5: Solve for x
    x = 1,784,803,415.42/48,105.89
  6. Step 6: Final answer
    x = 37,101.56

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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.