Home / 31,027.72-46,533.18-21,165.16

Finding the Fourth Proportional to 31,027.72, 46,533.18 and 21,165.16

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Solution

The fourth proportional to 31,027.72, 46,533.18 and 21,165.16 is: 31,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.72 : 46,533.18 = 21,165.16 : x
  2. Step 2: Convert to fraction form
    31,027.72/46,533.18 = 21,165.16/x
  3. Step 3: Cross multiply
    31,027.72x = 46,533.18 × 21,165.16
  4. Step 4: Simplify right side
    31,027.72x = 984,882,200.01
  5. Step 5: Solve for x
    x = 984,882,200.01/31,027.72
  6. Step 6: Final answer
    x = 31,742.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.