Home / 35,427.78-48,886.72-21,813.66

Finding the Fourth Proportional to 35,427.78, 48,886.72 and 21,813.66

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Solution

The fourth proportional to 35,427.78, 48,886.72 and 21,813.66 is: 30,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.78 : 48,886.72 = 21,813.66 : x
  2. Step 2: Convert to fraction form
    35,427.78/48,886.72 = 21,813.66/x
  3. Step 3: Cross multiply
    35,427.78x = 48,886.72 × 21,813.66
  4. Step 4: Simplify right side
    35,427.78x = 1,066,398,288.60
  5. Step 5: Solve for x
    x = 1,066,398,288.60/35,427.78
  6. Step 6: Final answer
    x = 30,100.62

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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.