Home / 66,009.40-99,029.30-26,567.80

Finding the Fourth Proportional to 66,009.40, 99,029.30 and 26,567.80

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Solution

The fourth proportional to 66,009.40, 99,029.30 and 26,567.80 is: 39,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.40 : 99,029.30 = 26,567.80 : x
  2. Step 2: Convert to fraction form
    66,009.40/99,029.30 = 26,567.80/x
  3. Step 3: Cross multiply
    66,009.40x = 99,029.30 × 26,567.80
  4. Step 4: Simplify right side
    66,009.40x = 2,630,990,636.54
  5. Step 5: Solve for x
    x = 2,630,990,636.54/66,009.40
  6. Step 6: Final answer
    x = 39,857.82

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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.