Home / 35,921.40-49,557.90-21,769.08

Finding the Fourth Proportional to 35,921.40, 49,557.90 and 21,769.08

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Solution

The fourth proportional to 35,921.40, 49,557.90 and 21,769.08 is: 30,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.40 : 49,557.90 = 21,769.08 : x
  2. Step 2: Convert to fraction form
    35,921.40/49,557.90 = 21,769.08/x
  3. Step 3: Cross multiply
    35,921.40x = 49,557.90 × 21,769.08
  4. Step 4: Simplify right side
    35,921.40x = 1,078,829,889.73
  5. Step 5: Solve for x
    x = 1,078,829,889.73/35,921.40
  6. Step 6: Final answer
    x = 30,033.07

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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.