Home / 56,223.49-84,347.39-21,163.05

Finding the Fourth Proportional to 56,223.49, 84,347.39 and 21,163.05

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Solution

The fourth proportional to 56,223.49, 84,347.39 and 21,163.05 is: 31,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,223.49 : 84,347.39 = 21,163.05 : x
  2. Step 2: Convert to fraction form
    56,223.49/84,347.39 = 21,163.05/x
  3. Step 3: Cross multiply
    56,223.49x = 84,347.39 × 21,163.05
  4. Step 4: Simplify right side
    56,223.49x = 1,785,048,031.94
  5. Step 5: Solve for x
    x = 1,785,048,031.94/56,223.49
  6. Step 6: Final answer
    x = 31,749.15

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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.