Home / 52,710.28-79,064.96-21,523.64

Finding the Fourth Proportional to 52,710.28, 79,064.96 and 21,523.64

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Solution

The fourth proportional to 52,710.28, 79,064.96 and 21,523.64 is: 32,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.28 : 79,064.96 = 21,523.64 : x
  2. Step 2: Convert to fraction form
    52,710.28/79,064.96 = 21,523.64/x
  3. Step 3: Cross multiply
    52,710.28x = 79,064.96 × 21,523.64
  4. Step 4: Simplify right side
    52,710.28x = 1,701,765,735.65
  5. Step 5: Solve for x
    x = 1,701,765,735.65/52,710.28
  6. Step 6: Final answer
    x = 32,285.27

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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.