Home / 29,120.52-40,186.36-16,547.70

Finding the Fourth Proportional to 29,120.52, 40,186.36 and 16,547.70

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Solution

The fourth proportional to 29,120.52, 40,186.36 and 16,547.70 is: 22,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120.52 : 40,186.36 = 16,547.70 : x
  2. Step 2: Convert to fraction form
    29,120.52/40,186.36 = 16,547.70/x
  3. Step 3: Cross multiply
    29,120.52x = 40,186.36 × 16,547.70
  4. Step 4: Simplify right side
    29,120.52x = 664,991,829.37
  5. Step 5: Solve for x
    x = 664,991,829.37/29,120.52
  6. Step 6: Final answer
    x = 22,835.85

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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.