Home / 64,758.81-97,143.72-18,011.69

Finding the Fourth Proportional to 64,758.81, 97,143.72 and 18,011.69

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Solution

The fourth proportional to 64,758.81, 97,143.72 and 18,011.69 is: 27,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.81 : 97,143.72 = 18,011.69 : x
  2. Step 2: Convert to fraction form
    64,758.81/97,143.72 = 18,011.69/x
  3. Step 3: Cross multiply
    64,758.81x = 97,143.72 × 18,011.69
  4. Step 4: Simplify right side
    64,758.81x = 1,749,722,570.09
  5. Step 5: Solve for x
    x = 1,749,722,570.09/64,758.81
  6. Step 6: Final answer
    x = 27,019.07

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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.