Home / 65,285.47-97,927.78-31,512.07

Finding the Fourth Proportional to 65,285.47, 97,927.78 and 31,512.07

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Solution

The fourth proportional to 65,285.47, 97,927.78 and 31,512.07 is: 47,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285.47 : 97,927.78 = 31,512.07 : x
  2. Step 2: Convert to fraction form
    65,285.47/97,927.78 = 31,512.07/x
  3. Step 3: Cross multiply
    65,285.47x = 97,927.78 × 31,512.07
  4. Step 4: Simplify right side
    65,285.47x = 3,085,906,984.16
  5. Step 5: Solve for x
    x = 3,085,906,984.16/65,285.47
  6. Step 6: Final answer
    x = 47,267.90

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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.