Home / 56,890.52-85,345.70-19,454.34

Finding the Fourth Proportional to 56,890.52, 85,345.70 and 19,454.34

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Solution

The fourth proportional to 56,890.52, 85,345.70 and 19,454.34 is: 29,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.52 : 85,345.70 = 19,454.34 : x
  2. Step 2: Convert to fraction form
    56,890.52/85,345.70 = 19,454.34/x
  3. Step 3: Cross multiply
    56,890.52x = 85,345.70 × 19,454.34
  4. Step 4: Simplify right side
    56,890.52x = 1,660,344,265.34
  5. Step 5: Solve for x
    x = 1,660,344,265.34/56,890.52
  6. Step 6: Final answer
    x = 29,184.90

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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.