Home / 56,452.55-84,678.97-19,038.90

Finding the Fourth Proportional to 56,452.55, 84,678.97 and 19,038.90

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Solution

The fourth proportional to 56,452.55, 84,678.97 and 19,038.90 is: 28,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,452.55 : 84,678.97 = 19,038.90 : x
  2. Step 2: Convert to fraction form
    56,452.55/84,678.97 = 19,038.90/x
  3. Step 3: Cross multiply
    56,452.55x = 84,678.97 × 19,038.90
  4. Step 4: Simplify right side
    56,452.55x = 1,612,194,539.19
  5. Step 5: Solve for x
    x = 1,612,194,539.19/56,452.55
  6. Step 6: Final answer
    x = 28,558.40

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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.