Home / 32,619.08-45,013.56-19,191.20

Finding the Fourth Proportional to 32,619.08, 45,013.56 and 19,191.20

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Solution

The fourth proportional to 32,619.08, 45,013.56 and 19,191.20 is: 26,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.08 : 45,013.56 = 19,191.20 : x
  2. Step 2: Convert to fraction form
    32,619.08/45,013.56 = 19,191.20/x
  3. Step 3: Cross multiply
    32,619.08x = 45,013.56 × 19,191.20
  4. Step 4: Simplify right side
    32,619.08x = 863,864,007.60
  5. Step 5: Solve for x
    x = 863,864,007.60/32,619.08
  6. Step 6: Final answer
    x = 26,483.40

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Similar ratio
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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.