Home / 66,004.20-99,030.60-26,565.30

Finding the Fourth Proportional to 66,004.20, 99,030.60 and 26,565.30

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Solution

The fourth proportional to 66,004.20, 99,030.60 and 26,565.30 is: 39,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.20 : 99,030.60 = 26,565.30 : x
  2. Step 2: Convert to fraction form
    66,004.20/99,030.60 = 26,565.30/x
  3. Step 3: Cross multiply
    66,004.20x = 99,030.60 × 26,565.30
  4. Step 4: Simplify right side
    66,004.20x = 2,630,777,598.18
  5. Step 5: Solve for x
    x = 2,630,777,598.18/66,004.20
  6. Step 6: Final answer
    x = 39,857.73

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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.