Home / 53,150.12-79,725.18-21,951.08

Finding the Fourth Proportional to 53,150.12, 79,725.18 and 21,951.08

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Solution

The fourth proportional to 53,150.12, 79,725.18 and 21,951.08 is: 32,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,150.12 : 79,725.18 = 21,951.08 : x
  2. Step 2: Convert to fraction form
    53,150.12/79,725.18 = 21,951.08/x
  3. Step 3: Cross multiply
    53,150.12x = 79,725.18 × 21,951.08
  4. Step 4: Simplify right side
    53,150.12x = 1,750,053,804.19
  5. Step 5: Solve for x
    x = 1,750,053,804.19/53,150.12
  6. Step 6: Final answer
    x = 32,926.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.