Home / 48,339.21-72,512.27-20,230.98

Finding the Fourth Proportional to 48,339.21, 72,512.27 and 20,230.98

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Solution

The fourth proportional to 48,339.21, 72,512.27 and 20,230.98 is: 30,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339.21 : 72,512.27 = 20,230.98 : x
  2. Step 2: Convert to fraction form
    48,339.21/72,512.27 = 20,230.98/x
  3. Step 3: Cross multiply
    48,339.21x = 72,512.27 × 20,230.98
  4. Step 4: Simplify right side
    48,339.21x = 1,466,994,284.12
  5. Step 5: Solve for x
    x = 1,466,994,284.12/48,339.21
  6. Step 6: Final answer
    x = 30,347.92

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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.