Home / 40,929.30-56,479.28-23,020.74

Finding the Fourth Proportional to 40,929.30, 56,479.28 and 23,020.74

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Solution

The fourth proportional to 40,929.30, 56,479.28 and 23,020.74 is: 31,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.30 : 56,479.28 = 23,020.74 : x
  2. Step 2: Convert to fraction form
    40,929.30/56,479.28 = 23,020.74/x
  3. Step 3: Cross multiply
    40,929.30x = 56,479.28 × 23,020.74
  4. Step 4: Simplify right side
    40,929.30x = 1,300,194,705.16
  5. Step 5: Solve for x
    x = 1,300,194,705.16/40,929.30
  6. Step 6: Final answer
    x = 31,766.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.