Home / 40,017.08-55,222.08-22,111.71

Finding the Fourth Proportional to 40,017.08, 55,222.08 and 22,111.71

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Solution

The fourth proportional to 40,017.08, 55,222.08 and 22,111.71 is: 30,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.08 : 55,222.08 = 22,111.71 : x
  2. Step 2: Convert to fraction form
    40,017.08/55,222.08 = 22,111.71/x
  3. Step 3: Cross multiply
    40,017.08x = 55,222.08 × 22,111.71
  4. Step 4: Simplify right side
    40,017.08x = 1,221,054,618.56
  5. Step 5: Solve for x
    x = 1,221,054,618.56/40,017.08
  6. Step 6: Final answer
    x = 30,513.34

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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.