Home / 31,821.16-43,914.54-17,675.32

Finding the Fourth Proportional to 31,821.16, 43,914.54 and 17,675.32

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Solution

The fourth proportional to 31,821.16, 43,914.54 and 17,675.32 is: 24,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.16 : 43,914.54 = 17,675.32 : x
  2. Step 2: Convert to fraction form
    31,821.16/43,914.54 = 17,675.32/x
  3. Step 3: Cross multiply
    31,821.16x = 43,914.54 × 17,675.32
  4. Step 4: Simplify right side
    31,821.16x = 776,203,547.15
  5. Step 5: Solve for x
    x = 776,203,547.15/31,821.16
  6. Step 6: Final answer
    x = 24,392.69

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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.