Home / 40,944.88-56,443.80-28,971.28

Finding the Fourth Proportional to 40,944.88, 56,443.80 and 28,971.28

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Solution

The fourth proportional to 40,944.88, 56,443.80 and 28,971.28 is: 39,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.88 : 56,443.80 = 28,971.28 : x
  2. Step 2: Convert to fraction form
    40,944.88/56,443.80 = 28,971.28/x
  3. Step 3: Cross multiply
    40,944.88x = 56,443.80 × 28,971.28
  4. Step 4: Simplify right side
    40,944.88x = 1,635,249,134.06
  5. Step 5: Solve for x
    x = 1,635,249,134.06/40,944.88
  6. Step 6: Final answer
    x = 39,937.82

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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.