Home / 66,582.24-99,834.72-31,521.60

Finding the Fourth Proportional to 66,582.24, 99,834.72 and 31,521.60

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Solution

The fourth proportional to 66,582.24, 99,834.72 and 31,521.60 is: 47,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,582.24 : 99,834.72 = 31,521.60 : x
  2. Step 2: Convert to fraction form
    66,582.24/99,834.72 = 31,521.60/x
  3. Step 3: Cross multiply
    66,582.24x = 99,834.72 × 31,521.60
  4. Step 4: Simplify right side
    66,582.24x = 3,146,950,109.95
  5. Step 5: Solve for x
    x = 3,146,950,109.95/66,582.24
  6. Step 6: Final answer
    x = 47,264.11

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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.