Home / 65,077.28-97,615.92-18,330.08

Finding the Fourth Proportional to 65,077.28, 97,615.92 and 18,330.08

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Solution

The fourth proportional to 65,077.28, 97,615.92 and 18,330.08 is: 27,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,077.28 : 97,615.92 = 18,330.08 : x
  2. Step 2: Convert to fraction form
    65,077.28/97,615.92 = 18,330.08/x
  3. Step 3: Cross multiply
    65,077.28x = 97,615.92 × 18,330.08
  4. Step 4: Simplify right side
    65,077.28x = 1,789,307,622.87
  5. Step 5: Solve for x
    x = 1,789,307,622.87/65,077.28
  6. Step 6: Final answer
    x = 27,495.12

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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.