Home / 35,641.08-49,184.10-19,725.30

Finding the Fourth Proportional to 35,641.08, 49,184.10 and 19,725.30

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Solution

The fourth proportional to 35,641.08, 49,184.10 and 19,725.30 is: 27,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.08 : 49,184.10 = 19,725.30 : x
  2. Step 2: Convert to fraction form
    35,641.08/49,184.10 = 19,725.30/x
  3. Step 3: Cross multiply
    35,641.08x = 49,184.10 × 19,725.30
  4. Step 4: Simplify right side
    35,641.08x = 970,171,127.73
  5. Step 5: Solve for x
    x = 970,171,127.73/35,641.08
  6. Step 6: Final answer
    x = 27,220.59

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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.