Home / 40,165.49-55,426.86-22,260.80

Finding the Fourth Proportional to 40,165.49, 55,426.86 and 22,260.80

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Solution

The fourth proportional to 40,165.49, 55,426.86 and 22,260.80 is: 30,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.49 : 55,426.86 = 22,260.80 : x
  2. Step 2: Convert to fraction form
    40,165.49/55,426.86 = 22,260.80/x
  3. Step 3: Cross multiply
    40,165.49x = 55,426.86 × 22,260.80
  4. Step 4: Simplify right side
    40,165.49x = 1,233,845,967.95
  5. Step 5: Solve for x
    x = 1,233,845,967.95/40,165.49
  6. Step 6: Final answer
    x = 30,719.06

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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.