Home / 36,259.97-50,038.71-20,345.90

Finding the Fourth Proportional to 36,259.97, 50,038.71 and 20,345.90

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Solution

The fourth proportional to 36,259.97, 50,038.71 and 20,345.90 is: 28,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,259.97 : 50,038.71 = 20,345.90 : x
  2. Step 2: Convert to fraction form
    36,259.97/50,038.71 = 20,345.90/x
  3. Step 3: Cross multiply
    36,259.97x = 50,038.71 × 20,345.90
  4. Step 4: Simplify right side
    36,259.97x = 1,018,082,589.79
  5. Step 5: Solve for x
    x = 1,018,082,589.79/36,259.97
  6. Step 6: Final answer
    x = 28,077.31

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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.