Home / 66,311.22-99,430.47-26,289.66

Finding the Fourth Proportional to 66,311.22, 99,430.47 and 26,289.66

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Solution

The fourth proportional to 66,311.22, 99,430.47 and 26,289.66 is: 39,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.22 : 99,430.47 = 26,289.66 : x
  2. Step 2: Convert to fraction form
    66,311.22/99,430.47 = 26,289.66/x
  3. Step 3: Cross multiply
    66,311.22x = 99,430.47 × 26,289.66
  4. Step 4: Simplify right side
    66,311.22x = 2,613,992,877.08
  5. Step 5: Solve for x
    x = 2,613,992,877.08/66,311.22
  6. Step 6: Final answer
    x = 39,420.07

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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.