Home / 40,572.84-55,988.52-22,664.28

Finding the Fourth Proportional to 40,572.84, 55,988.52 and 22,664.28

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Solution

The fourth proportional to 40,572.84, 55,988.52 and 22,664.28 is: 31,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.84 : 55,988.52 = 22,664.28 : x
  2. Step 2: Convert to fraction form
    40,572.84/55,988.52 = 22,664.28/x
  3. Step 3: Cross multiply
    40,572.84x = 55,988.52 × 22,664.28
  4. Step 4: Simplify right side
    40,572.84x = 1,268,939,494.07
  5. Step 5: Solve for x
    x = 1,268,939,494.07/40,572.84
  6. Step 6: Final answer
    x = 31,275.59

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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.