Home / 40,097.45-55,332.78-22,190.78

Finding the Fourth Proportional to 40,097.45, 55,332.78 and 22,190.78

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Solution

The fourth proportional to 40,097.45, 55,332.78 and 22,190.78 is: 30,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097.45 : 55,332.78 = 22,190.78 : x
  2. Step 2: Convert to fraction form
    40,097.45/55,332.78 = 22,190.78/x
  3. Step 3: Cross multiply
    40,097.45x = 55,332.78 × 22,190.78
  4. Step 4: Simplify right side
    40,097.45x = 1,227,877,547.77
  5. Step 5: Solve for x
    x = 1,227,877,547.77/40,097.45
  6. Step 6: Final answer
    x = 30,622.34

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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.