Home / 53,012.42-73,155.28-29,138.94

Finding the Fourth Proportional to 53,012.42, 73,155.28 and 29,138.94

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Solution

The fourth proportional to 53,012.42, 73,155.28 and 29,138.94 is: 40,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.42 : 73,155.28 = 29,138.94 : x
  2. Step 2: Convert to fraction form
    53,012.42/73,155.28 = 29,138.94/x
  3. Step 3: Cross multiply
    53,012.42x = 73,155.28 × 29,138.94
  4. Step 4: Simplify right side
    53,012.42x = 2,131,667,314.60
  5. Step 5: Solve for x
    x = 2,131,667,314.60/53,012.42
  6. Step 6: Final answer
    x = 40,210.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.