Home / 31,970.97-44,119.06-18,541.37

Finding the Fourth Proportional to 31,970.97, 44,119.06 and 18,541.37

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Solution

The fourth proportional to 31,970.97, 44,119.06 and 18,541.37 is: 25,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.97 : 44,119.06 = 18,541.37 : x
  2. Step 2: Convert to fraction form
    31,970.97/44,119.06 = 18,541.37/x
  3. Step 3: Cross multiply
    31,970.97x = 44,119.06 × 18,541.37
  4. Step 4: Simplify right side
    31,970.97x = 818,027,815.51
  5. Step 5: Solve for x
    x = 818,027,815.51/31,970.97
  6. Step 6: Final answer
    x = 25,586.58

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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.