Home / 30,854.63-42,579.41-16,707.48

Finding the Fourth Proportional to 30,854.63, 42,579.41 and 16,707.48

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Solution

The fourth proportional to 30,854.63, 42,579.41 and 16,707.48 is: 23,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.63 : 42,579.41 = 16,707.48 : x
  2. Step 2: Convert to fraction form
    30,854.63/42,579.41 = 16,707.48/x
  3. Step 3: Cross multiply
    30,854.63x = 42,579.41 × 16,707.48
  4. Step 4: Simplify right side
    30,854.63x = 711,394,557.45
  5. Step 5: Solve for x
    x = 711,394,557.45/30,854.63
  6. Step 6: Final answer
    x = 23,056.33

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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.