Home / 40,206.56-55,485.32-22,301.87

Finding the Fourth Proportional to 40,206.56, 55,485.32 and 22,301.87

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Solution

The fourth proportional to 40,206.56, 55,485.32 and 22,301.87 is: 30,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.56 : 55,485.32 = 22,301.87 : x
  2. Step 2: Convert to fraction form
    40,206.56/55,485.32 = 22,301.87/x
  3. Step 3: Cross multiply
    40,206.56x = 55,485.32 × 22,301.87
  4. Step 4: Simplify right side
    40,206.56x = 1,237,426,004.61
  5. Step 5: Solve for x
    x = 1,237,426,004.61/40,206.56
  6. Step 6: Final answer
    x = 30,776.72

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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.