Home / 31,370.79-43,291.51-17,030.91

Finding the Fourth Proportional to 31,370.79, 43,291.51 and 17,030.91

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Solution

The fourth proportional to 31,370.79, 43,291.51 and 17,030.91 is: 23,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.79 : 43,291.51 = 17,030.91 : x
  2. Step 2: Convert to fraction form
    31,370.79/43,291.51 = 17,030.91/x
  3. Step 3: Cross multiply
    31,370.79x = 43,291.51 × 17,030.91
  4. Step 4: Simplify right side
    31,370.79x = 737,293,810.57
  5. Step 5: Solve for x
    x = 737,293,810.57/31,370.79
  6. Step 6: Final answer
    x = 23,502.56

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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.