Home / 36,983.89-51,038.55-20,216.89

Finding the Fourth Proportional to 36,983.89, 51,038.55 and 20,216.89

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Solution

The fourth proportional to 36,983.89, 51,038.55 and 20,216.89 is: 27,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,983.89 : 51,038.55 = 20,216.89 : x
  2. Step 2: Convert to fraction form
    36,983.89/51,038.55 = 20,216.89/x
  3. Step 3: Cross multiply
    36,983.89x = 51,038.55 × 20,216.89
  4. Step 4: Simplify right side
    36,983.89x = 1,031,840,751.11
  5. Step 5: Solve for x
    x = 1,031,840,751.11/36,983.89
  6. Step 6: Final answer
    x = 27,899.74

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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.