Home / 56,387.96-84,583.31-18,948.57

Finding the Fourth Proportional to 56,387.96, 84,583.31 and 18,948.57

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Solution

The fourth proportional to 56,387.96, 84,583.31 and 18,948.57 is: 28,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.96 : 84,583.31 = 18,948.57 : x
  2. Step 2: Convert to fraction form
    56,387.96/84,583.31 = 18,948.57/x
  3. Step 3: Cross multiply
    56,387.96x = 84,583.31 × 18,948.57
  4. Step 4: Simplify right side
    56,387.96x = 1,602,732,675.62
  5. Step 5: Solve for x
    x = 1,602,732,675.62/56,387.96
  6. Step 6: Final answer
    x = 28,423.32

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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.