Home / 32,979.60-45,513.68-18,837.04

Finding the Fourth Proportional to 32,979.60, 45,513.68 and 18,837.04

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Solution

The fourth proportional to 32,979.60, 45,513.68 and 18,837.04 is: 25,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.60 : 45,513.68 = 18,837.04 : x
  2. Step 2: Convert to fraction form
    32,979.60/45,513.68 = 18,837.04/x
  3. Step 3: Cross multiply
    32,979.60x = 45,513.68 × 18,837.04
  4. Step 4: Simplify right side
    32,979.60x = 857,343,010.71
  5. Step 5: Solve for x
    x = 857,343,010.71/32,979.60
  6. Step 6: Final answer
    x = 25,996.16

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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.