Home / 65,397.19-98,105.02-21,009.07

Finding the Fourth Proportional to 65,397.19, 98,105.02 and 21,009.07

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Solution

The fourth proportional to 65,397.19, 98,105.02 and 21,009.07 is: 31,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,397.19 : 98,105.02 = 21,009.07 : x
  2. Step 2: Convert to fraction form
    65,397.19/98,105.02 = 21,009.07/x
  3. Step 3: Cross multiply
    65,397.19x = 98,105.02 × 21,009.07
  4. Step 4: Simplify right side
    65,397.19x = 2,061,095,232.53
  5. Step 5: Solve for x
    x = 2,061,095,232.53/65,397.19
  6. Step 6: Final answer
    x = 31,516.57

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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.