Home / 61,729.16-92,605.26-20,205.32

Finding the Fourth Proportional to 61,729.16, 92,605.26 and 20,205.32

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Solution

The fourth proportional to 61,729.16, 92,605.26 and 20,205.32 is: 30,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.16 : 92,605.26 = 20,205.32 : x
  2. Step 2: Convert to fraction form
    61,729.16/92,605.26 = 20,205.32/x
  3. Step 3: Cross multiply
    61,729.16x = 92,605.26 × 20,205.32
  4. Step 4: Simplify right side
    61,729.16x = 1,871,118,911.98
  5. Step 5: Solve for x
    x = 1,871,118,911.98/61,729.16
  6. Step 6: Final answer
    x = 30,311.75

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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.