Home / 32,112.48-44,311.74-18,686.43

Finding the Fourth Proportional to 32,112.48, 44,311.74 and 18,686.43

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Solution

The fourth proportional to 32,112.48, 44,311.74 and 18,686.43 is: 25,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.48 : 44,311.74 = 18,686.43 : x
  2. Step 2: Convert to fraction form
    32,112.48/44,311.74 = 18,686.43/x
  3. Step 3: Cross multiply
    32,112.48x = 44,311.74 × 18,686.43
  4. Step 4: Simplify right side
    32,112.48x = 828,028,227.69
  5. Step 5: Solve for x
    x = 828,028,227.69/32,112.48
  6. Step 6: Final answer
    x = 25,785.25

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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.