Home / 39,835.56-54,937.62-31,437.48

Finding the Fourth Proportional to 39,835.56, 54,937.62 and 31,437.48

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Solution

The fourth proportional to 39,835.56, 54,937.62 and 31,437.48 is: 43,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.56 : 54,937.62 = 31,437.48 : x
  2. Step 2: Convert to fraction form
    39,835.56/54,937.62 = 31,437.48/x
  3. Step 3: Cross multiply
    39,835.56x = 54,937.62 × 31,437.48
  4. Step 4: Simplify right side
    39,835.56x = 1,727,100,330.00
  5. Step 5: Solve for x
    x = 1,727,100,330.00/39,835.56
  6. Step 6: Final answer
    x = 43,355.74

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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.