Home / 52,448.81-78,665.04-28,768.01

Finding the Fourth Proportional to 52,448.81, 78,665.04 and 28,768.01

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Solution

The fourth proportional to 52,448.81, 78,665.04 and 28,768.01 is: 43,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,448.81 : 78,665.04 = 28,768.01 : x
  2. Step 2: Convert to fraction form
    52,448.81/78,665.04 = 28,768.01/x
  3. Step 3: Cross multiply
    52,448.81x = 78,665.04 × 28,768.01
  4. Step 4: Simplify right side
    52,448.81x = 2,263,036,264.05
  5. Step 5: Solve for x
    x = 2,263,036,264.05/52,448.81
  6. Step 6: Final answer
    x = 43,147.53

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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.