Home / 56,730.66-85,108.74-18,779.82

Finding the Fourth Proportional to 56,730.66, 85,108.74 and 18,779.82

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Solution

The fourth proportional to 56,730.66, 85,108.74 and 18,779.82 is: 28,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.66 : 85,108.74 = 18,779.82 : x
  2. Step 2: Convert to fraction form
    56,730.66/85,108.74 = 18,779.82/x
  3. Step 3: Cross multiply
    56,730.66x = 85,108.74 × 18,779.82
  4. Step 4: Simplify right side
    56,730.66x = 1,598,326,817.63
  5. Step 5: Solve for x
    x = 1,598,326,817.63/56,730.66
  6. Step 6: Final answer
    x = 28,173.95

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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.