Home / 40,276.26-55,581.30-22,370.80

Finding the Fourth Proportional to 40,276.26, 55,581.30 and 22,370.80

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Solution

The fourth proportional to 40,276.26, 55,581.30 and 22,370.80 is: 30,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.26 : 55,581.30 = 22,370.80 : x
  2. Step 2: Convert to fraction form
    40,276.26/55,581.30 = 22,370.80/x
  3. Step 3: Cross multiply
    40,276.26x = 55,581.30 × 22,370.80
  4. Step 4: Simplify right side
    40,276.26x = 1,243,398,215.52
  5. Step 5: Solve for x
    x = 1,243,398,215.52/40,276.26
  6. Step 6: Final answer
    x = 30,871.74

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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.