Home / 56,826.72-85,130.96-31,790.90

Finding the Fourth Proportional to 56,826.72, 85,130.96 and 31,790.90

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Solution

The fourth proportional to 56,826.72, 85,130.96 and 31,790.90 is: 47,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,826.72 : 85,130.96 = 31,790.90 : x
  2. Step 2: Convert to fraction form
    56,826.72/85,130.96 = 31,790.90/x
  3. Step 3: Cross multiply
    56,826.72x = 85,130.96 × 31,790.90
  4. Step 4: Simplify right side
    56,826.72x = 2,706,389,251.65
  5. Step 5: Solve for x
    x = 2,706,389,251.65/56,826.72
  6. Step 6: Final answer
    x = 47,625.29

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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.