Home / 40,740.64-56,163.21-28,604.17

Finding the Fourth Proportional to 40,740.64, 56,163.21 and 28,604.17

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Solution

The fourth proportional to 40,740.64, 56,163.21 and 28,604.17 is: 39,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.64 : 56,163.21 = 28,604.17 : x
  2. Step 2: Convert to fraction form
    40,740.64/56,163.21 = 28,604.17/x
  3. Step 3: Cross multiply
    40,740.64x = 56,163.21 × 28,604.17
  4. Step 4: Simplify right side
    40,740.64x = 1,606,502,006.59
  5. Step 5: Solve for x
    x = 1,606,502,006.59/40,740.64
  6. Step 6: Final answer
    x = 39,432.42

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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.