Home / 56,732.85-85,109.43-19,290.98

Finding the Fourth Proportional to 56,732.85, 85,109.43 and 19,290.98

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Solution

The fourth proportional to 56,732.85, 85,109.43 and 19,290.98 is: 28,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732.85 : 85,109.43 = 19,290.98 : x
  2. Step 2: Convert to fraction form
    56,732.85/85,109.43 = 19,290.98/x
  3. Step 3: Cross multiply
    56,732.85x = 85,109.43 × 19,290.98
  4. Step 4: Simplify right side
    56,732.85x = 1,641,843,886.39
  5. Step 5: Solve for x
    x = 1,641,843,886.39/56,732.85
  6. Step 6: Final answer
    x = 28,939.92

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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.