Home / 36,747.34-55,153.01-20,983.93

Finding the Fourth Proportional to 36,747.34, 55,153.01 and 20,983.93

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Solution

The fourth proportional to 36,747.34, 55,153.01 and 20,983.93 is: 31,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.34 : 55,153.01 = 20,983.93 : x
  2. Step 2: Convert to fraction form
    36,747.34/55,153.01 = 20,983.93/x
  3. Step 3: Cross multiply
    36,747.34x = 55,153.01 × 20,983.93
  4. Step 4: Simplify right side
    36,747.34x = 1,157,326,901.13
  5. Step 5: Solve for x
    x = 1,157,326,901.13/36,747.34
  6. Step 6: Final answer
    x = 31,494.17

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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.