Home / 29,139.04-40,210.86-16,392.43

Finding the Fourth Proportional to 29,139.04, 40,210.86 and 16,392.43

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Solution

The fourth proportional to 29,139.04, 40,210.86 and 16,392.43 is: 22,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.04 : 40,210.86 = 16,392.43 : x
  2. Step 2: Convert to fraction form
    29,139.04/40,210.86 = 16,392.43/x
  3. Step 3: Cross multiply
    29,139.04x = 40,210.86 × 16,392.43
  4. Step 4: Simplify right side
    29,139.04x = 659,153,707.79
  5. Step 5: Solve for x
    x = 659,153,707.79/29,139.04
  6. Step 6: Final answer
    x = 22,620.98

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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.