Home / 34,739.46-47,965.50-21,328.90

Finding the Fourth Proportional to 34,739.46, 47,965.50 and 21,328.90

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Solution

The fourth proportional to 34,739.46, 47,965.50 and 21,328.90 is: 29,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.46 : 47,965.50 = 21,328.90 : x
  2. Step 2: Convert to fraction form
    34,739.46/47,965.50 = 21,328.90/x
  3. Step 3: Cross multiply
    34,739.46x = 47,965.50 × 21,328.90
  4. Step 4: Simplify right side
    34,739.46x = 1,023,051,352.95
  5. Step 5: Solve for x
    x = 1,023,051,352.95/34,739.46
  6. Step 6: Final answer
    x = 29,449.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.