Home / 34,808.72-48,061.32-21,398.24

Finding the Fourth Proportional to 34,808.72, 48,061.32 and 21,398.24

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Solution

The fourth proportional to 34,808.72, 48,061.32 and 21,398.24 is: 29,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.72 : 48,061.32 = 21,398.24 : x
  2. Step 2: Convert to fraction form
    34,808.72/48,061.32 = 21,398.24/x
  3. Step 3: Cross multiply
    34,808.72x = 48,061.32 × 21,398.24
  4. Step 4: Simplify right side
    34,808.72x = 1,028,427,660.08
  5. Step 5: Solve for x
    x = 1,028,427,660.08/34,808.72
  6. Step 6: Final answer
    x = 29,545.12

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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.