Home / 31,390.37-43,326.18-17,969.37

Finding the Fourth Proportional to 31,390.37, 43,326.18 and 17,969.37

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Solution

The fourth proportional to 31,390.37, 43,326.18 and 17,969.37 is: 24,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,390.37 : 43,326.18 = 17,969.37 : x
  2. Step 2: Convert to fraction form
    31,390.37/43,326.18 = 17,969.37/x
  3. Step 3: Cross multiply
    31,390.37x = 43,326.18 × 17,969.37
  4. Step 4: Simplify right side
    31,390.37x = 778,544,069.26
  5. Step 5: Solve for x
    x = 778,544,069.26/31,390.37
  6. Step 6: Final answer
    x = 24,802.01

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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.