Home / 65,427.45-98,141.16-21,057.66

Finding the Fourth Proportional to 65,427.45, 98,141.16 and 21,057.66

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Solution

The fourth proportional to 65,427.45, 98,141.16 and 21,057.66 is: 31,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427.45 : 98,141.16 = 21,057.66 : x
  2. Step 2: Convert to fraction form
    65,427.45/98,141.16 = 21,057.66/x
  3. Step 3: Cross multiply
    65,427.45x = 98,141.16 × 21,057.66
  4. Step 4: Simplify right side
    65,427.45x = 2,066,623,179.29
  5. Step 5: Solve for x
    x = 2,066,623,179.29/65,427.45
  6. Step 6: Final answer
    x = 31,586.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.