Home / 66,620.02-99,939.76-19,866.82

Finding the Fourth Proportional to 66,620.02, 99,939.76 and 19,866.82

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Solution

The fourth proportional to 66,620.02, 99,939.76 and 19,866.82 is: 29,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,620.02 : 99,939.76 = 19,866.82 : x
  2. Step 2: Convert to fraction form
    66,620.02/99,939.76 = 19,866.82/x
  3. Step 3: Cross multiply
    66,620.02x = 99,939.76 × 19,866.82
  4. Step 4: Simplify right side
    66,620.02x = 1,985,485,222.76
  5. Step 5: Solve for x
    x = 1,985,485,222.76/66,620.02
  6. Step 6: Final answer
    x = 29,803.13

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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.