Home / 32,979.68-45,492-19,546.64

Finding the Fourth Proportional to 32,979.68, 45,492 and 19,546.64

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Solution

The fourth proportional to 32,979.68, 45,492 and 19,546.64 is: 26,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.68 : 45,492 = 19,546.64 : x
  2. Step 2: Convert to fraction form
    32,979.68/45,492 = 19,546.64/x
  3. Step 3: Cross multiply
    32,979.68x = 45,492 × 19,546.64
  4. Step 4: Simplify right side
    32,979.68x = 889,215,746.88
  5. Step 5: Solve for x
    x = 889,215,746.88/32,979.68
  6. Step 6: Final answer
    x = 26,962.53

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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.