Home / 57,119.64-85,678.58-15,566.52

Finding the Fourth Proportional to 57,119.64, 85,678.58 and 15,566.52

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Solution

The fourth proportional to 57,119.64, 85,678.58 and 15,566.52 is: 23,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.64 : 85,678.58 = 15,566.52 : x
  2. Step 2: Convert to fraction form
    57,119.64/85,678.58 = 15,566.52/x
  3. Step 3: Cross multiply
    57,119.64x = 85,678.58 × 15,566.52
  4. Step 4: Simplify right side
    57,119.64x = 1,333,717,329.14
  5. Step 5: Solve for x
    x = 1,333,717,329.14/57,119.64
  6. Step 6: Final answer
    x = 23,349.54

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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.