Home / 32,937.10-45,434.66-20,833.81

Finding the Fourth Proportional to 32,937.10, 45,434.66 and 20,833.81

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Solution

The fourth proportional to 32,937.10, 45,434.66 and 20,833.81 is: 28,738.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,937.10 : 45,434.66 = 20,833.81 : x
  2. Step 2: Convert to fraction form
    32,937.10/45,434.66 = 20,833.81/x
  3. Step 3: Cross multiply
    32,937.10x = 45,434.66 × 20,833.81
  4. Step 4: Simplify right side
    32,937.10x = 946,576,856.10
  5. Step 5: Solve for x
    x = 946,576,856.10/32,937.10
  6. Step 6: Final answer
    x = 28,738.93

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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.