Home / 51,324.49-70,859.10-48,147.87

Finding the Fourth Proportional to 51,324.49, 70,859.10 and 48,147.87

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Solution

The fourth proportional to 51,324.49, 70,859.10 and 48,147.87 is: 66,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.49 : 70,859.10 = 48,147.87 : x
  2. Step 2: Convert to fraction form
    51,324.49/70,859.10 = 48,147.87/x
  3. Step 3: Cross multiply
    51,324.49x = 70,859.10 × 48,147.87
  4. Step 4: Simplify right side
    51,324.49x = 3,411,714,782.81
  5. Step 5: Solve for x
    x = 3,411,714,782.81/51,324.49
  6. Step 6: Final answer
    x = 66,473.43

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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.