Home / 48,752.20-73,128.30-21,050.20

Finding the Fourth Proportional to 48,752.20, 73,128.30 and 21,050.20

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Solution

The fourth proportional to 48,752.20, 73,128.30 and 21,050.20 is: 31,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,752.20 : 73,128.30 = 21,050.20 : x
  2. Step 2: Convert to fraction form
    48,752.20/73,128.30 = 21,050.20/x
  3. Step 3: Cross multiply
    48,752.20x = 73,128.30 × 21,050.20
  4. Step 4: Simplify right side
    48,752.20x = 1,539,365,340.66
  5. Step 5: Solve for x
    x = 1,539,365,340.66/48,752.20
  6. Step 6: Final answer
    x = 31,575.30

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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.