Home / 31,427.54-43,370.74-17,088.18

Finding the Fourth Proportional to 31,427.54, 43,370.74 and 17,088.18

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Solution

The fourth proportional to 31,427.54, 43,370.74 and 17,088.18 is: 23,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,427.54 : 43,370.74 = 17,088.18 : x
  2. Step 2: Convert to fraction form
    31,427.54/43,370.74 = 17,088.18/x
  3. Step 3: Cross multiply
    31,427.54x = 43,370.74 × 17,088.18
  4. Step 4: Simplify right side
    31,427.54x = 741,127,011.85
  5. Step 5: Solve for x
    x = 741,127,011.85/31,427.54
  6. Step 6: Final answer
    x = 23,582.09

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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.