Home / 65,630.14-98,442.91-20,650.26

Finding the Fourth Proportional to 65,630.14, 98,442.91 and 20,650.26

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Solution

The fourth proportional to 65,630.14, 98,442.91 and 20,650.26 is: 30,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.14 : 98,442.91 = 20,650.26 : x
  2. Step 2: Convert to fraction form
    65,630.14/98,442.91 = 20,650.26/x
  3. Step 3: Cross multiply
    65,630.14x = 98,442.91 × 20,650.26
  4. Step 4: Simplify right side
    65,630.14x = 2,032,871,894.04
  5. Step 5: Solve for x
    x = 2,032,871,894.04/65,630.14
  6. Step 6: Final answer
    x = 30,974.67

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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.