Home / 56,946.96-85,422.69-21,404.70

Finding the Fourth Proportional to 56,946.96, 85,422.69 and 21,404.70

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Solution

The fourth proportional to 56,946.96, 85,422.69 and 21,404.70 is: 32,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,946.96 : 85,422.69 = 21,404.70 : x
  2. Step 2: Convert to fraction form
    56,946.96/85,422.69 = 21,404.70/x
  3. Step 3: Cross multiply
    56,946.96x = 85,422.69 × 21,404.70
  4. Step 4: Simplify right side
    56,946.96x = 1,828,447,052.64
  5. Step 5: Solve for x
    x = 1,828,447,052.64/56,946.96
  6. Step 6: Final answer
    x = 32,107.90

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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.