Home / 31,903.81-47,832.21-10,838.16

Finding the Fourth Proportional to 31,903.81, 47,832.21 and 10,838.16

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Solution

The fourth proportional to 31,903.81, 47,832.21 and 10,838.16 is: 16,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.81 : 47,832.21 = 10,838.16 : x
  2. Step 2: Convert to fraction form
    31,903.81/47,832.21 = 10,838.16/x
  3. Step 3: Cross multiply
    31,903.81x = 47,832.21 × 10,838.16
  4. Step 4: Simplify right side
    31,903.81x = 518,413,145.13
  5. Step 5: Solve for x
    x = 518,413,145.13/31,903.81
  6. Step 6: Final answer
    x = 16,249.26

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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.