Home / 35,439.18-48,895.92-21,087.02

Finding the Fourth Proportional to 35,439.18, 48,895.92 and 21,087.02

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Solution

The fourth proportional to 35,439.18, 48,895.92 and 21,087.02 is: 29,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.18 : 48,895.92 = 21,087.02 : x
  2. Step 2: Convert to fraction form
    35,439.18/48,895.92 = 21,087.02/x
  3. Step 3: Cross multiply
    35,439.18x = 48,895.92 × 21,087.02
  4. Step 4: Simplify right side
    35,439.18x = 1,031,068,998.48
  5. Step 5: Solve for x
    x = 1,031,068,998.48/35,439.18
  6. Step 6: Final answer
    x = 29,094.04

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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.