Home / 40,218.94-55,503.18-22,070.45

Finding the Fourth Proportional to 40,218.94, 55,503.18 and 22,070.45

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Solution

The fourth proportional to 40,218.94, 55,503.18 and 22,070.45 is: 30,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.94 : 55,503.18 = 22,070.45 : x
  2. Step 2: Convert to fraction form
    40,218.94/55,503.18 = 22,070.45/x
  3. Step 3: Cross multiply
    40,218.94x = 55,503.18 × 22,070.45
  4. Step 4: Simplify right side
    40,218.94x = 1,224,980,048.68
  5. Step 5: Solve for x
    x = 1,224,980,048.68/40,218.94
  6. Step 6: Final answer
    x = 30,457.79

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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.