Home / 31,030.43-42,820.75-16,883.27

Finding the Fourth Proportional to 31,030.43, 42,820.75 and 16,883.27

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Solution

The fourth proportional to 31,030.43, 42,820.75 and 16,883.27 is: 23,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030.43 : 42,820.75 = 16,883.27 : x
  2. Step 2: Convert to fraction form
    31,030.43/42,820.75 = 16,883.27/x
  3. Step 3: Cross multiply
    31,030.43x = 42,820.75 × 16,883.27
  4. Step 4: Simplify right side
    31,030.43x = 722,954,251.43
  5. Step 5: Solve for x
    x = 722,954,251.43/31,030.43
  6. Step 6: Final answer
    x = 23,298.24

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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.