Home / 56,187.27-84,284.14-21,127.23

Finding the Fourth Proportional to 56,187.27, 84,284.14 and 21,127.23

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Solution

The fourth proportional to 56,187.27, 84,284.14 and 21,127.23 is: 31,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,187.27 : 84,284.14 = 21,127.23 : x
  2. Step 2: Convert to fraction form
    56,187.27/84,284.14 = 21,127.23/x
  3. Step 3: Cross multiply
    56,187.27x = 84,284.14 × 21,127.23
  4. Step 4: Simplify right side
    56,187.27x = 1,780,689,884.08
  5. Step 5: Solve for x
    x = 1,780,689,884.08/56,187.27
  6. Step 6: Final answer
    x = 31,692.05

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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.