Home / 56,048.32-84,015.76-36,339.40

Finding the Fourth Proportional to 56,048.32, 84,015.76 and 36,339.40

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Solution

The fourth proportional to 56,048.32, 84,015.76 and 36,339.40 is: 54,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,048.32 : 84,015.76 = 36,339.40 : x
  2. Step 2: Convert to fraction form
    56,048.32/84,015.76 = 36,339.40/x
  3. Step 3: Cross multiply
    56,048.32x = 84,015.76 × 36,339.40
  4. Step 4: Simplify right side
    56,048.32x = 3,053,082,308.94
  5. Step 5: Solve for x
    x = 3,053,082,308.94/56,048.32
  6. Step 6: Final answer
    x = 54,472.33

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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.