Home / 40,882.32-56,417.76-22,978.08

Finding the Fourth Proportional to 40,882.32, 56,417.76 and 22,978.08

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Solution

The fourth proportional to 40,882.32, 56,417.76 and 22,978.08 is: 31,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.32 : 56,417.76 = 22,978.08 : x
  2. Step 2: Convert to fraction form
    40,882.32/56,417.76 = 22,978.08/x
  3. Step 3: Cross multiply
    40,882.32x = 56,417.76 × 22,978.08
  4. Step 4: Simplify right side
    40,882.32x = 1,296,371,802.70
  5. Step 5: Solve for x
    x = 1,296,371,802.70/40,882.32
  6. Step 6: Final answer
    x = 31,709.84

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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.