Home / 32,112.12-44,329.60-18,678.47

Finding the Fourth Proportional to 32,112.12, 44,329.60 and 18,678.47

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Solution

The fourth proportional to 32,112.12, 44,329.60 and 18,678.47 is: 25,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,112.12 : 44,329.60 = 18,678.47 : x
  2. Step 2: Convert to fraction form
    32,112.12/44,329.60 = 18,678.47/x
  3. Step 3: Cross multiply
    32,112.12x = 44,329.60 × 18,678.47
  4. Step 4: Simplify right side
    32,112.12x = 828,009,010.32
  5. Step 5: Solve for x
    x = 828,009,010.32/32,112.12
  6. Step 6: Final answer
    x = 25,784.94

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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.