Home / 43,238.16-64,859-19,541.16

Finding the Fourth Proportional to 43,238.16, 64,859 and 19,541.16

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Solution

The fourth proportional to 43,238.16, 64,859 and 19,541.16 is: 29,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.16 : 64,859 = 19,541.16 : x
  2. Step 2: Convert to fraction form
    43,238.16/64,859 = 19,541.16/x
  3. Step 3: Cross multiply
    43,238.16x = 64,859 × 19,541.16
  4. Step 4: Simplify right side
    43,238.16x = 1,267,420,096.44
  5. Step 5: Solve for x
    x = 1,267,420,096.44/43,238.16
  6. Step 6: Final answer
    x = 29,312.54

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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.