Home / 56,926.86-85,346.40-21,387.42

Finding the Fourth Proportional to 56,926.86, 85,346.40 and 21,387.42

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Solution

The fourth proportional to 56,926.86, 85,346.40 and 21,387.42 is: 32,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926.86 : 85,346.40 = 21,387.42 : x
  2. Step 2: Convert to fraction form
    56,926.86/85,346.40 = 21,387.42/x
  3. Step 3: Cross multiply
    56,926.86x = 85,346.40 × 21,387.42
  4. Step 4: Simplify right side
    56,926.86x = 1,825,339,302.29
  5. Step 5: Solve for x
    x = 1,825,339,302.29/56,926.86
  6. Step 6: Final answer
    x = 32,064.64

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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.