Home / 34,887.72-48,145.14-18,972.16

Finding the Fourth Proportional to 34,887.72, 48,145.14 and 18,972.16

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Solution

The fourth proportional to 34,887.72, 48,145.14 and 18,972.16 is: 26,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.72 : 48,145.14 = 18,972.16 : x
  2. Step 2: Convert to fraction form
    34,887.72/48,145.14 = 18,972.16/x
  3. Step 3: Cross multiply
    34,887.72x = 48,145.14 × 18,972.16
  4. Step 4: Simplify right side
    34,887.72x = 913,417,299.30
  5. Step 5: Solve for x
    x = 913,417,299.30/34,887.72
  6. Step 6: Final answer
    x = 26,181.63

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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.