Home / 52,783.41-79,165.55-21,192.19

Finding the Fourth Proportional to 52,783.41, 79,165.55 and 21,192.19

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Solution

The fourth proportional to 52,783.41, 79,165.55 and 21,192.19 is: 31,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.41 : 79,165.55 = 21,192.19 : x
  2. Step 2: Convert to fraction form
    52,783.41/79,165.55 = 21,192.19/x
  3. Step 3: Cross multiply
    52,783.41x = 79,165.55 × 21,192.19
  4. Step 4: Simplify right side
    52,783.41x = 1,677,691,377.05
  5. Step 5: Solve for x
    x = 1,677,691,377.05/52,783.41
  6. Step 6: Final answer
    x = 31,784.44

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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.