Home / 40,890.48-56,418.84-22,981.92

Finding the Fourth Proportional to 40,890.48, 56,418.84 and 22,981.92

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Solution

The fourth proportional to 40,890.48, 56,418.84 and 22,981.92 is: 31,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.48 : 56,418.84 = 22,981.92 : x
  2. Step 2: Convert to fraction form
    40,890.48/56,418.84 = 22,981.92/x
  3. Step 3: Cross multiply
    40,890.48x = 56,418.84 × 22,981.92
  4. Step 4: Simplify right side
    40,890.48x = 1,296,613,267.37
  5. Step 5: Solve for x
    x = 1,296,613,267.37/40,890.48
  6. Step 6: Final answer
    x = 31,709.42

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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.