Home / 40,900.08-56,438.88-22,991.68

Finding the Fourth Proportional to 40,900.08, 56,438.88 and 22,991.68

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Solution

The fourth proportional to 40,900.08, 56,438.88 and 22,991.68 is: 31,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,900.08 : 56,438.88 = 22,991.68 : x
  2. Step 2: Convert to fraction form
    40,900.08/56,438.88 = 22,991.68/x
  3. Step 3: Cross multiply
    40,900.08x = 56,438.88 × 22,991.68
  4. Step 4: Simplify right side
    40,900.08x = 1,297,624,668.52
  5. Step 5: Solve for x
    x = 1,297,624,668.52/40,900.08
  6. Step 6: Final answer
    x = 31,726.70

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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.