Home / 53,835.10-74,291.70-29,961.78

Finding the Fourth Proportional to 53,835.10, 74,291.70 and 29,961.78

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Solution

The fourth proportional to 53,835.10, 74,291.70 and 29,961.78 is: 41,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835.10 : 74,291.70 = 29,961.78 : x
  2. Step 2: Convert to fraction form
    53,835.10/74,291.70 = 29,961.78/x
  3. Step 3: Cross multiply
    53,835.10x = 74,291.70 × 29,961.78
  4. Step 4: Simplify right side
    53,835.10x = 2,225,911,571.23
  5. Step 5: Solve for x
    x = 2,225,911,571.23/53,835.10
  6. Step 6: Final answer
    x = 41,346.85

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1.5x scale

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.