Home / 31,437.81-43,383.47-17,290.35

Finding the Fourth Proportional to 31,437.81, 43,383.47 and 17,290.35

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Solution

The fourth proportional to 31,437.81, 43,383.47 and 17,290.35 is: 23,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.81 : 43,383.47 = 17,290.35 : x
  2. Step 2: Convert to fraction form
    31,437.81/43,383.47 = 17,290.35/x
  3. Step 3: Cross multiply
    31,437.81x = 43,383.47 × 17,290.35
  4. Step 4: Simplify right side
    31,437.81x = 750,115,294.06
  5. Step 5: Solve for x
    x = 750,115,294.06/31,437.81
  6. Step 6: Final answer
    x = 23,860.29

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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.