Home / 65,112.23-97,675.35-20,728.60

Finding the Fourth Proportional to 65,112.23, 97,675.35 and 20,728.60

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Solution

The fourth proportional to 65,112.23, 97,675.35 and 20,728.60 is: 31,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,112.23 : 97,675.35 = 20,728.60 : x
  2. Step 2: Convert to fraction form
    65,112.23/97,675.35 = 20,728.60/x
  3. Step 3: Cross multiply
    65,112.23x = 97,675.35 × 20,728.60
  4. Step 4: Simplify right side
    65,112.23x = 2,024,673,491.71
  5. Step 5: Solve for x
    x = 2,024,673,491.71/65,112.23
  6. Step 6: Final answer
    x = 31,095.13

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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.