Home / 31,541.36-47,110.97-28,534.78

Finding the Fourth Proportional to 31,541.36, 47,110.97 and 28,534.78

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Solution

The fourth proportional to 31,541.36, 47,110.97 and 28,534.78 is: 42,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.36 : 47,110.97 = 28,534.78 : x
  2. Step 2: Convert to fraction form
    31,541.36/47,110.97 = 28,534.78/x
  3. Step 3: Cross multiply
    31,541.36x = 47,110.97 × 28,534.78
  4. Step 4: Simplify right side
    31,541.36x = 1,344,301,164.54
  5. Step 5: Solve for x
    x = 1,344,301,164.54/31,541.36
  6. Step 6: Final answer
    x = 42,620.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.