Home / 30,686.29-42,345.26-17,073.97

Finding the Fourth Proportional to 30,686.29, 42,345.26 and 17,073.97

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Solution

The fourth proportional to 30,686.29, 42,345.26 and 17,073.97 is: 23,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,686.29 : 42,345.26 = 17,073.97 : x
  2. Step 2: Convert to fraction form
    30,686.29/42,345.26 = 17,073.97/x
  3. Step 3: Cross multiply
    30,686.29x = 42,345.26 × 17,073.97
  4. Step 4: Simplify right side
    30,686.29x = 723,001,698.88
  5. Step 5: Solve for x
    x = 723,001,698.88/30,686.29
  6. Step 6: Final answer
    x = 23,561.07

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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.