Home / 56,331.04-84,465.60-18,871.42

Finding the Fourth Proportional to 56,331.04, 84,465.60 and 18,871.42

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Solution

The fourth proportional to 56,331.04, 84,465.60 and 18,871.42 is: 28,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,331.04 : 84,465.60 = 18,871.42 : x
  2. Step 2: Convert to fraction form
    56,331.04/84,465.60 = 18,871.42/x
  3. Step 3: Cross multiply
    56,331.04x = 84,465.60 × 18,871.42
  4. Step 4: Simplify right side
    56,331.04x = 1,593,985,813.15
  5. Step 5: Solve for x
    x = 1,593,985,813.15/56,331.04
  6. Step 6: Final answer
    x = 28,296.76

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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.