Home / 40,368.33-55,708.80-22,221.15

Finding the Fourth Proportional to 40,368.33, 55,708.80 and 22,221.15

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Solution

The fourth proportional to 40,368.33, 55,708.80 and 22,221.15 is: 30,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.33 : 55,708.80 = 22,221.15 : x
  2. Step 2: Convert to fraction form
    40,368.33/55,708.80 = 22,221.15/x
  3. Step 3: Cross multiply
    40,368.33x = 55,708.80 × 22,221.15
  4. Step 4: Simplify right side
    40,368.33x = 1,237,913,601.12
  5. Step 5: Solve for x
    x = 1,237,913,601.12/40,368.33
  6. Step 6: Final answer
    x = 30,665.46

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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.