Home / 29,091.81-40,145.17-16,345.50

Finding the Fourth Proportional to 29,091.81, 40,145.17 and 16,345.50

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Solution

The fourth proportional to 29,091.81, 40,145.17 and 16,345.50 is: 22,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.81 : 40,145.17 = 16,345.50 : x
  2. Step 2: Convert to fraction form
    29,091.81/40,145.17 = 16,345.50/x
  3. Step 3: Cross multiply
    29,091.81x = 40,145.17 × 16,345.50
  4. Step 4: Simplify right side
    29,091.81x = 656,192,715.47
  5. Step 5: Solve for x
    x = 656,192,715.47/29,091.81
  6. Step 6: Final answer
    x = 22,555.93

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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.