Home / 52,879.50-72,972.38-30,217.05

Finding the Fourth Proportional to 52,879.50, 72,972.38 and 30,217.05

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Solution

The fourth proportional to 52,879.50, 72,972.38 and 30,217.05 is: 41,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.50 : 72,972.38 = 30,217.05 : x
  2. Step 2: Convert to fraction form
    52,879.50/72,972.38 = 30,217.05/x
  3. Step 3: Cross multiply
    52,879.50x = 72,972.38 × 30,217.05
  4. Step 4: Simplify right side
    52,879.50x = 2,205,009,903.99
  5. Step 5: Solve for x
    x = 2,205,009,903.99/52,879.50
  6. Step 6: Final answer
    x = 41,698.77

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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.