Home / 40,322.32-55,646.78-22,416.94

Finding the Fourth Proportional to 40,322.32, 55,646.78 and 22,416.94

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Solution

The fourth proportional to 40,322.32, 55,646.78 and 22,416.94 is: 30,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.32 : 55,646.78 = 22,416.94 : x
  2. Step 2: Convert to fraction form
    40,322.32/55,646.78 = 22,416.94/x
  3. Step 3: Cross multiply
    40,322.32x = 55,646.78 × 22,416.94
  4. Step 4: Simplify right side
    40,322.32x = 1,247,430,528.45
  5. Step 5: Solve for x
    x = 1,247,430,528.45/40,322.32
  6. Step 6: Final answer
    x = 30,936.48

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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.