Home / 32,112.47-44,311.73-18,686.45

Finding the Fourth Proportional to 32,112.47, 44,311.73 and 18,686.45

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Solution

The fourth proportional to 32,112.47, 44,311.73 and 18,686.45 is: 25,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.47 : 44,311.73 = 18,686.45 : x
  2. Step 2: Convert to fraction form
    32,112.47/44,311.73 = 18,686.45/x
  3. Step 3: Cross multiply
    32,112.47x = 44,311.73 × 18,686.45
  4. Step 4: Simplify right side
    32,112.47x = 828,028,612.07
  5. Step 5: Solve for x
    x = 828,028,612.07/32,112.47
  6. Step 6: Final answer
    x = 25,785.27

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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.