Home / 31,578.07-43,577.73-17,430.91

Finding the Fourth Proportional to 31,578.07, 43,577.73 and 17,430.91

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Solution

The fourth proportional to 31,578.07, 43,577.73 and 17,430.91 is: 24,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.07 : 43,577.73 = 17,430.91 : x
  2. Step 2: Convert to fraction form
    31,578.07/43,577.73 = 17,430.91/x
  3. Step 3: Cross multiply
    31,578.07x = 43,577.73 × 17,430.91
  4. Step 4: Simplify right side
    31,578.07x = 759,599,489.63
  5. Step 5: Solve for x
    x = 759,599,489.63/31,578.07
  6. Step 6: Final answer
    x = 24,054.65

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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.