Home / 55,076.56-76,004.17-31,210.92

Finding the Fourth Proportional to 55,076.56, 76,004.17 and 31,210.92

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Solution

The fourth proportional to 55,076.56, 76,004.17 and 31,210.92 is: 43,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.56 : 76,004.17 = 31,210.92 : x
  2. Step 2: Convert to fraction form
    55,076.56/76,004.17 = 31,210.92/x
  3. Step 3: Cross multiply
    55,076.56x = 76,004.17 × 31,210.92
  4. Step 4: Simplify right side
    55,076.56x = 2,372,160,167.07
  5. Step 5: Solve for x
    x = 2,372,160,167.07/55,076.56
  6. Step 6: Final answer
    x = 43,070.23

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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.