Home / 40,102.24-60,118.80-19,340.32

Finding the Fourth Proportional to 40,102.24, 60,118.80 and 19,340.32

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Solution

The fourth proportional to 40,102.24, 60,118.80 and 19,340.32 is: 28,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.24 : 60,118.80 = 19,340.32 : x
  2. Step 2: Convert to fraction form
    40,102.24/60,118.80 = 19,340.32/x
  3. Step 3: Cross multiply
    40,102.24x = 60,118.80 × 19,340.32
  4. Step 4: Simplify right side
    40,102.24x = 1,162,716,830.02
  5. Step 5: Solve for x
    x = 1,162,716,830.02/40,102.24
  6. Step 6: Final answer
    x = 28,993.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.