Home / 40,037.34-55,246.74-22,129.92

Finding the Fourth Proportional to 40,037.34, 55,246.74 and 22,129.92

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Solution

The fourth proportional to 40,037.34, 55,246.74 and 22,129.92 is: 30,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,037.34 : 55,246.74 = 22,129.92 : x
  2. Step 2: Convert to fraction form
    40,037.34/55,246.74 = 22,129.92/x
  3. Step 3: Cross multiply
    40,037.34x = 55,246.74 × 22,129.92
  4. Step 4: Simplify right side
    40,037.34x = 1,222,605,936.46
  5. Step 5: Solve for x
    x = 1,222,605,936.46/40,037.34
  6. Step 6: Final answer
    x = 30,536.64

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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.