Home / 77,459.53-116,175.32-20,533.81

Finding the Fourth Proportional to 77,459.53, 116,175.32 and 20,533.81

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Solution

The fourth proportional to 77,459.53, 116,175.32 and 20,533.81 is: 30,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,459.53 : 116,175.32 = 20,533.81 : x
  2. Step 2: Convert to fraction form
    77,459.53/116,175.32 = 20,533.81/x
  3. Step 3: Cross multiply
    77,459.53x = 116,175.32 × 20,533.81
  4. Step 4: Simplify right side
    77,459.53x = 2,385,521,844.90
  5. Step 5: Solve for x
    x = 2,385,521,844.90/77,459.53
  6. Step 6: Final answer
    x = 30,797.01

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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.