Home / 36,982.08-51,035.64-20,215.08

Finding the Fourth Proportional to 36,982.08, 51,035.64 and 20,215.08

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Solution

The fourth proportional to 36,982.08, 51,035.64 and 20,215.08 is: 27,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,982.08 : 51,035.64 = 20,215.08 : x
  2. Step 2: Convert to fraction form
    36,982.08/51,035.64 = 20,215.08/x
  3. Step 3: Cross multiply
    36,982.08x = 51,035.64 × 20,215.08
  4. Step 4: Simplify right side
    36,982.08x = 1,031,689,545.45
  5. Step 5: Solve for x
    x = 1,031,689,545.45/36,982.08
  6. Step 6: Final answer
    x = 27,897.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.