Home / 36,945.83-50,985.30-21,030.28

Finding the Fourth Proportional to 36,945.83, 50,985.30 and 21,030.28

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Solution

The fourth proportional to 36,945.83, 50,985.30 and 21,030.28 is: 29,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.83 : 50,985.30 = 21,030.28 : x
  2. Step 2: Convert to fraction form
    36,945.83/50,985.30 = 21,030.28/x
  3. Step 3: Cross multiply
    36,945.83x = 50,985.30 × 21,030.28
  4. Step 4: Simplify right side
    36,945.83x = 1,072,235,134.88
  5. Step 5: Solve for x
    x = 1,072,235,134.88/36,945.83
  6. Step 6: Final answer
    x = 29,021.82

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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.