Home / 40,303.58-60,409.40-19,213.61

Finding the Fourth Proportional to 40,303.58, 60,409.40 and 19,213.61

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Solution

The fourth proportional to 40,303.58, 60,409.40 and 19,213.61 is: 28,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.58 : 60,409.40 = 19,213.61 : x
  2. Step 2: Convert to fraction form
    40,303.58/60,409.40 = 19,213.61/x
  3. Step 3: Cross multiply
    40,303.58x = 60,409.40 × 19,213.61
  4. Step 4: Simplify right side
    40,303.58x = 1,160,682,253.82
  5. Step 5: Solve for x
    x = 1,160,682,253.82/40,303.58
  6. Step 6: Final answer
    x = 28,798.49

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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.