Home / 43,477.20-65,215.80-34,729.20

Finding the Fourth Proportional to 43,477.20, 65,215.80 and 34,729.20

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Solution

The fourth proportional to 43,477.20, 65,215.80 and 34,729.20 is: 52,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.20 : 65,215.80 = 34,729.20 : x
  2. Step 2: Convert to fraction form
    43,477.20/65,215.80 = 34,729.20/x
  3. Step 3: Cross multiply
    43,477.20x = 65,215.80 × 34,729.20
  4. Step 4: Simplify right side
    43,477.20x = 2,264,892,561.36
  5. Step 5: Solve for x
    x = 2,264,892,561.36/43,477.20
  6. Step 6: Final answer
    x = 52,093.80

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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.