Home / 65,315.16-97,944.66-20,927.16

Finding the Fourth Proportional to 65,315.16, 97,944.66 and 20,927.16

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Solution

The fourth proportional to 65,315.16, 97,944.66 and 20,927.16 is: 31,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.16 : 97,944.66 = 20,927.16 : x
  2. Step 2: Convert to fraction form
    65,315.16/97,944.66 = 20,927.16/x
  3. Step 3: Cross multiply
    65,315.16x = 97,944.66 × 20,927.16
  4. Step 4: Simplify right side
    65,315.16x = 2,049,703,570.97
  5. Step 5: Solve for x
    x = 2,049,703,570.97/65,315.16
  6. Step 6: Final answer
    x = 31,381.74

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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.