Home / 29,040.38-40,088.00-19,621.70

Finding the Fourth Proportional to 29,040.38, 40,088.00 and 19,621.70

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Solution

The fourth proportional to 29,040.38, 40,088.00 and 19,621.70 is: 27,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.38 : 40,088.00 = 19,621.70 : x
  2. Step 2: Convert to fraction form
    29,040.38/40,088.00 = 19,621.70/x
  3. Step 3: Cross multiply
    29,040.38x = 40,088.00 × 19,621.70
  4. Step 4: Simplify right side
    29,040.38x = 786,594,411.05
  5. Step 5: Solve for x
    x = 786,594,411.05/29,040.38
  6. Step 6: Final answer
    x = 27,086.23

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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.