Home / 56,758.16-85,073.52-19,283.24

Finding the Fourth Proportional to 56,758.16, 85,073.52 and 19,283.24

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Solution

The fourth proportional to 56,758.16, 85,073.52 and 19,283.24 is: 28,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758.16 : 85,073.52 = 19,283.24 : x
  2. Step 2: Convert to fraction form
    56,758.16/85,073.52 = 19,283.24/x
  3. Step 3: Cross multiply
    56,758.16x = 85,073.52 × 19,283.24
  4. Step 4: Simplify right side
    56,758.16x = 1,640,493,103.80
  5. Step 5: Solve for x
    x = 1,640,493,103.80/56,758.16
  6. Step 6: Final answer
    x = 28,903.21

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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.