Home / 66,237.77-99,357.79-18,854.08

Finding the Fourth Proportional to 66,237.77, 99,357.79 and 18,854.08

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Solution

The fourth proportional to 66,237.77, 99,357.79 and 18,854.08 is: 28,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,237.77 : 99,357.79 = 18,854.08 : x
  2. Step 2: Convert to fraction form
    66,237.77/99,357.79 = 18,854.08/x
  3. Step 3: Cross multiply
    66,237.77x = 99,357.79 × 18,854.08
  4. Step 4: Simplify right side
    66,237.77x = 1,873,299,721.28
  5. Step 5: Solve for x
    x = 1,873,299,721.28/66,237.77
  6. Step 6: Final answer
    x = 28,281.44

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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.