Home / 40,821.96-56,333.34-22,917.72

Finding the Fourth Proportional to 40,821.96, 56,333.34 and 22,917.72

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Solution

The fourth proportional to 40,821.96, 56,333.34 and 22,917.72 is: 31,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.96 : 56,333.34 = 22,917.72 : x
  2. Step 2: Convert to fraction form
    40,821.96/56,333.34 = 22,917.72/x
  3. Step 3: Cross multiply
    40,821.96x = 56,333.34 × 22,917.72
  4. Step 4: Simplify right side
    40,821.96x = 1,291,031,712.78
  5. Step 5: Solve for x
    x = 1,291,031,712.78/40,821.96
  6. Step 6: Final answer
    x = 31,625.91

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1.5x scale

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.