Home / 36,312.24-50,111.28-20,395.92

Finding the Fourth Proportional to 36,312.24, 50,111.28 and 20,395.92

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Solution

The fourth proportional to 36,312.24, 50,111.28 and 20,395.92 is: 28,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.24 : 50,111.28 = 20,395.92 : x
  2. Step 2: Convert to fraction form
    36,312.24/50,111.28 = 20,395.92/x
  3. Step 3: Cross multiply
    36,312.24x = 50,111.28 × 20,395.92
  4. Step 4: Simplify right side
    36,312.24x = 1,022,065,657.98
  5. Step 5: Solve for x
    x = 1,022,065,657.98/36,312.24
  6. Step 6: Final answer
    x = 28,146.59

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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.