Home / 31,437.77-43,383.74-17,290.31

Finding the Fourth Proportional to 31,437.77, 43,383.74 and 17,290.31

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Solution

The fourth proportional to 31,437.77, 43,383.74 and 17,290.31 is: 23,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.77 : 43,383.74 = 17,290.31 : x
  2. Step 2: Convert to fraction form
    31,437.77/43,383.74 = 17,290.31/x
  3. Step 3: Cross multiply
    31,437.77x = 43,383.74 × 17,290.31
  4. Step 4: Simplify right side
    31,437.77x = 750,118,010.19
  5. Step 5: Solve for x
    x = 750,118,010.19/31,437.77
  6. Step 6: Final answer
    x = 23,860.41

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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.