Home / 40,877.06-56,408.55-22,971.68

Finding the Fourth Proportional to 40,877.06, 56,408.55 and 22,971.68

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Solution

The fourth proportional to 40,877.06, 56,408.55 and 22,971.68 is: 31,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,877.06 : 56,408.55 = 22,971.68 : x
  2. Step 2: Convert to fraction form
    40,877.06/56,408.55 = 22,971.68/x
  3. Step 3: Cross multiply
    40,877.06x = 56,408.55 × 22,971.68
  4. Step 4: Simplify right side
    40,877.06x = 1,295,799,159.86
  5. Step 5: Solve for x
    x = 1,295,799,159.86/40,877.06
  6. Step 6: Final answer
    x = 31,699.91

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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.