Home / 56,453.55-84,680.47-19,039.90

Finding the Fourth Proportional to 56,453.55, 84,680.47 and 19,039.90

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Solution

The fourth proportional to 56,453.55, 84,680.47 and 19,039.90 is: 28,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.55 : 84,680.47 = 19,039.90 : x
  2. Step 2: Convert to fraction form
    56,453.55/84,680.47 = 19,039.90/x
  3. Step 3: Cross multiply
    56,453.55x = 84,680.47 × 19,039.90
  4. Step 4: Simplify right side
    56,453.55x = 1,612,307,680.75
  5. Step 5: Solve for x
    x = 1,612,307,680.75/56,453.55
  6. Step 6: Final answer
    x = 28,559.90

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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.