Home / 38,837.50-58,130.94-20,091.72

Finding the Fourth Proportional to 38,837.50, 58,130.94 and 20,091.72

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Solution

The fourth proportional to 38,837.50, 58,130.94 and 20,091.72 is: 30,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837.50 : 58,130.94 = 20,091.72 : x
  2. Step 2: Convert to fraction form
    38,837.50/58,130.94 = 20,091.72/x
  3. Step 3: Cross multiply
    38,837.50x = 58,130.94 × 20,091.72
  4. Step 4: Simplify right side
    38,837.50x = 1,167,950,569.82
  5. Step 5: Solve for x
    x = 1,167,950,569.82/38,837.50
  6. Step 6: Final answer
    x = 30,072.75

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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.