Home / 52,677.81-79,016.78-21,513.06

Finding the Fourth Proportional to 52,677.81, 79,016.78 and 21,513.06

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Solution

The fourth proportional to 52,677.81, 79,016.78 and 21,513.06 is: 32,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,677.81 : 79,016.78 = 21,513.06 : x
  2. Step 2: Convert to fraction form
    52,677.81/79,016.78 = 21,513.06/x
  3. Step 3: Cross multiply
    52,677.81x = 79,016.78 × 21,513.06
  4. Step 4: Simplify right side
    52,677.81x = 1,699,892,621.58
  5. Step 5: Solve for x
    x = 1,699,892,621.58/52,677.81
  6. Step 6: Final answer
    x = 32,269.61

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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.