Home / 53,865.60-74,337.72-29,991.60

Finding the Fourth Proportional to 53,865.60, 74,337.72 and 29,991.60

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Solution

The fourth proportional to 53,865.60, 74,337.72 and 29,991.60 is: 41,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.60 : 74,337.72 = 29,991.60 : x
  2. Step 2: Convert to fraction form
    53,865.60/74,337.72 = 29,991.60/x
  3. Step 3: Cross multiply
    53,865.60x = 74,337.72 × 29,991.60
  4. Step 4: Simplify right side
    53,865.60x = 2,229,507,163.15
  5. Step 5: Solve for x
    x = 2,229,507,163.15/53,865.60
  6. Step 6: Final answer
    x = 41,390.19

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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.