Home / 47,539.06-71,228.40-30,874.12

Finding the Fourth Proportional to 47,539.06, 71,228.40 and 30,874.12

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Solution

The fourth proportional to 47,539.06, 71,228.40 and 30,874.12 is: 46,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,539.06 : 71,228.40 = 30,874.12 : x
  2. Step 2: Convert to fraction form
    47,539.06/71,228.40 = 30,874.12/x
  3. Step 3: Cross multiply
    47,539.06x = 71,228.40 × 30,874.12
  4. Step 4: Simplify right side
    47,539.06x = 2,199,114,169.01
  5. Step 5: Solve for x
    x = 2,199,114,169.01/47,539.06
  6. Step 6: Final answer
    x = 46,259.10

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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.