Home / 31,201.84-43,058.46-18,626.68

Finding the Fourth Proportional to 31,201.84, 43,058.46 and 18,626.68

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Solution

The fourth proportional to 31,201.84, 43,058.46 and 18,626.68 is: 25,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,201.84 : 43,058.46 = 18,626.68 : x
  2. Step 2: Convert to fraction form
    31,201.84/43,058.46 = 18,626.68/x
  3. Step 3: Cross multiply
    31,201.84x = 43,058.46 × 18,626.68
  4. Step 4: Simplify right side
    31,201.84x = 802,036,155.71
  5. Step 5: Solve for x
    x = 802,036,155.71/31,201.84
  6. Step 6: Final answer
    x = 25,704.77

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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.