Home / 66,574.02-99,855.55-19,826.89

Finding the Fourth Proportional to 66,574.02, 99,855.55 and 19,826.89

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Solution

The fourth proportional to 66,574.02, 99,855.55 and 19,826.89 is: 29,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,574.02 : 99,855.55 = 19,826.89 : x
  2. Step 2: Convert to fraction form
    66,574.02/99,855.55 = 19,826.89/x
  3. Step 3: Cross multiply
    66,574.02x = 99,855.55 × 19,826.89
  4. Step 4: Simplify right side
    66,574.02x = 1,979,825,005.74
  5. Step 5: Solve for x
    x = 1,979,825,005.74/66,574.02
  6. Step 6: Final answer
    x = 29,738.70

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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.