Home / 32,661.07-45,079.67-19,918.55

Finding the Fourth Proportional to 32,661.07, 45,079.67 and 19,918.55

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Solution

The fourth proportional to 32,661.07, 45,079.67 and 19,918.55 is: 27,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,661.07 : 45,079.67 = 19,918.55 : x
  2. Step 2: Convert to fraction form
    32,661.07/45,079.67 = 19,918.55/x
  3. Step 3: Cross multiply
    32,661.07x = 45,079.67 × 19,918.55
  4. Step 4: Simplify right side
    32,661.07x = 897,921,660.88
  5. Step 5: Solve for x
    x = 897,921,660.88/32,661.07
  6. Step 6: Final answer
    x = 27,492.11

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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.