Home / 56,303.57-84,480.07-21,235.02

Finding the Fourth Proportional to 56,303.57, 84,480.07 and 21,235.02

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Solution

The fourth proportional to 56,303.57, 84,480.07 and 21,235.02 is: 31,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.57 : 84,480.07 = 21,235.02 : x
  2. Step 2: Convert to fraction form
    56,303.57/84,480.07 = 21,235.02/x
  3. Step 3: Cross multiply
    56,303.57x = 84,480.07 × 21,235.02
  4. Step 4: Simplify right side
    56,303.57x = 1,793,935,976.05
  5. Step 5: Solve for x
    x = 1,793,935,976.05/56,303.57
  6. Step 6: Final answer
    x = 31,861.85

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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.