Home / 31,392.36-43,328.93-17,971.37

Finding the Fourth Proportional to 31,392.36, 43,328.93 and 17,971.37

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Solution

The fourth proportional to 31,392.36, 43,328.93 and 17,971.37 is: 24,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.36 : 43,328.93 = 17,971.37 : x
  2. Step 2: Convert to fraction form
    31,392.36/43,328.93 = 17,971.37/x
  3. Step 3: Cross multiply
    31,392.36x = 43,328.93 × 17,971.37
  4. Step 4: Simplify right side
    31,392.36x = 778,680,232.73
  5. Step 5: Solve for x
    x = 778,680,232.73/31,392.36
  6. Step 6: Final answer
    x = 24,804.77

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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.