Home / 63,028.50-86,983.63-38,509.81

Finding the Fourth Proportional to 63,028.50, 86,983.63 and 38,509.81

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Solution

The fourth proportional to 63,028.50, 86,983.63 and 38,509.81 is: 53,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,028.50 : 86,983.63 = 38,509.81 : x
  2. Step 2: Convert to fraction form
    63,028.50/86,983.63 = 38,509.81/x
  3. Step 3: Cross multiply
    63,028.50x = 86,983.63 × 38,509.81
  4. Step 4: Simplify right side
    63,028.50x = 3,349,722,786.36
  5. Step 5: Solve for x
    x = 3,349,722,786.36/63,028.50
  6. Step 6: Final answer
    x = 53,146.16

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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.