Home / 40,058.71-55,222.08-31,533.52

Finding the Fourth Proportional to 40,058.71, 55,222.08 and 31,533.52

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Solution

The fourth proportional to 40,058.71, 55,222.08 and 31,533.52 is: 43,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.71 : 55,222.08 = 31,533.52 : x
  2. Step 2: Convert to fraction form
    40,058.71/55,222.08 = 31,533.52/x
  3. Step 3: Cross multiply
    40,058.71x = 55,222.08 × 31,533.52
  4. Step 4: Simplify right side
    40,058.71x = 1,741,346,564.12
  5. Step 5: Solve for x
    x = 1,741,346,564.12/40,058.71
  6. Step 6: Final answer
    x = 43,469.86

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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.