Home / 51,438.81-77,157.66-39,035.01

Finding the Fourth Proportional to 51,438.81, 77,157.66 and 39,035.01

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Solution

The fourth proportional to 51,438.81, 77,157.66 and 39,035.01 is: 58,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.81 : 77,157.66 = 39,035.01 : x
  2. Step 2: Convert to fraction form
    51,438.81/77,157.66 = 39,035.01/x
  3. Step 3: Cross multiply
    51,438.81x = 77,157.66 × 39,035.01
  4. Step 4: Simplify right side
    51,438.81x = 3,011,850,029.68
  5. Step 5: Solve for x
    x = 3,011,850,029.68/51,438.81
  6. Step 6: Final answer
    x = 58,552.09

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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.