Home / 47,994.80-72,024.60-31,314.20

Finding the Fourth Proportional to 47,994.80, 72,024.60 and 31,314.20

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Solution

The fourth proportional to 47,994.80, 72,024.60 and 31,314.20 is: 46,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,994.80 : 72,024.60 = 31,314.20 : x
  2. Step 2: Convert to fraction form
    47,994.80/72,024.60 = 31,314.20/x
  3. Step 3: Cross multiply
    47,994.80x = 72,024.60 × 31,314.20
  4. Step 4: Simplify right side
    47,994.80x = 2,255,392,729.32
  5. Step 5: Solve for x
    x = 2,255,392,729.32/47,994.80
  6. Step 6: Final answer
    x = 46,992.44

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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.