Home / 57,050.06-85,549.11-30,389.28

Finding the Fourth Proportional to 57,050.06, 85,549.11 and 30,389.28

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Solution

The fourth proportional to 57,050.06, 85,549.11 and 30,389.28 is: 45,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.06 : 85,549.11 = 30,389.28 : x
  2. Step 2: Convert to fraction form
    57,050.06/85,549.11 = 30,389.28/x
  3. Step 3: Cross multiply
    57,050.06x = 85,549.11 × 30,389.28
  4. Step 4: Simplify right side
    57,050.06x = 2,599,775,857.54
  5. Step 5: Solve for x
    x = 2,599,775,857.54/57,050.06
  6. Step 6: Final answer
    x = 45,570.09

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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.