Home / 66,023.48-99,044.63-21,653.70

Finding the Fourth Proportional to 66,023.48, 99,044.63 and 21,653.70

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Solution

The fourth proportional to 66,023.48, 99,044.63 and 21,653.70 is: 32,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.48 : 99,044.63 = 21,653.70 : x
  2. Step 2: Convert to fraction form
    66,023.48/99,044.63 = 21,653.70/x
  3. Step 3: Cross multiply
    66,023.48x = 99,044.63 × 21,653.70
  4. Step 4: Simplify right side
    66,023.48x = 2,144,682,596.36
  5. Step 5: Solve for x
    x = 2,144,682,596.36/66,023.48
  6. Step 6: Final answer
    x = 32,483.64

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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.