Home / 47,995.10-72,003.98-21,699.80

Finding the Fourth Proportional to 47,995.10, 72,003.98 and 21,699.80

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Solution

The fourth proportional to 47,995.10, 72,003.98 and 21,699.80 is: 32,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,995.10 : 72,003.98 = 21,699.80 : x
  2. Step 2: Convert to fraction form
    47,995.10/72,003.98 = 21,699.80/x
  3. Step 3: Cross multiply
    47,995.10x = 72,003.98 × 21,699.80
  4. Step 4: Simplify right side
    47,995.10x = 1,562,471,965.20
  5. Step 5: Solve for x
    x = 1,562,471,965.20/47,995.10
  6. Step 6: Final answer
    x = 32,554.82

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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.