Home / 56,931.18-85,327.51-40,296

Finding the Fourth Proportional to 56,931.18, 85,327.51 and 40,296

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Solution

The fourth proportional to 56,931.18, 85,327.51 and 40,296 is: 60,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.18 : 85,327.51 = 40,296 : x
  2. Step 2: Convert to fraction form
    56,931.18/85,327.51 = 40,296/x
  3. Step 3: Cross multiply
    56,931.18x = 85,327.51 × 40,296
  4. Step 4: Simplify right side
    56,931.18x = 3,438,357,342.96
  5. Step 5: Solve for x
    x = 3,438,357,342.96/56,931.18
  6. Step 6: Final answer
    x = 60,394.98

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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.