Home / 32,818.06-45,292.32-20,079.74

Finding the Fourth Proportional to 32,818.06, 45,292.32 and 20,079.74

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Solution

The fourth proportional to 32,818.06, 45,292.32 and 20,079.74 is: 27,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,818.06 : 45,292.32 = 20,079.74 : x
  2. Step 2: Convert to fraction form
    32,818.06/45,292.32 = 20,079.74/x
  3. Step 3: Cross multiply
    32,818.06x = 45,292.32 × 20,079.74
  4. Step 4: Simplify right side
    32,818.06x = 909,458,009.60
  5. Step 5: Solve for x
    x = 909,458,009.60/32,818.06
  6. Step 6: Final answer
    x = 27,712.12

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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.