Home / 56,581.62-84,881.64-19,144.02

Finding the Fourth Proportional to 56,581.62, 84,881.64 and 19,144.02

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Solution

The fourth proportional to 56,581.62, 84,881.64 and 19,144.02 is: 28,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581.62 : 84,881.64 = 19,144.02 : x
  2. Step 2: Convert to fraction form
    56,581.62/84,881.64 = 19,144.02/x
  3. Step 3: Cross multiply
    56,581.62x = 84,881.64 × 19,144.02
  4. Step 4: Simplify right side
    56,581.62x = 1,624,975,813.79
  5. Step 5: Solve for x
    x = 1,624,975,813.79/56,581.62
  6. Step 6: Final answer
    x = 28,719.15

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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.