Home / 55,250.60-76,244.37-31,378.28

Finding the Fourth Proportional to 55,250.60, 76,244.37 and 31,378.28

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Solution

The fourth proportional to 55,250.60, 76,244.37 and 31,378.28 is: 43,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.60 : 76,244.37 = 31,378.28 : x
  2. Step 2: Convert to fraction form
    55,250.60/76,244.37 = 31,378.28/x
  3. Step 3: Cross multiply
    55,250.60x = 76,244.37 × 31,378.28
  4. Step 4: Simplify right side
    55,250.60x = 2,392,417,190.28
  5. Step 5: Solve for x
    x = 2,392,417,190.28/55,250.60
  6. Step 6: Final answer
    x = 43,301.20

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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.