Home / 30,874.54-42,606.75-16,727.35

Finding the Fourth Proportional to 30,874.54, 42,606.75 and 16,727.35

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Solution

The fourth proportional to 30,874.54, 42,606.75 and 16,727.35 is: 23,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.54 : 42,606.75 = 16,727.35 : x
  2. Step 2: Convert to fraction form
    30,874.54/42,606.75 = 16,727.35/x
  3. Step 3: Cross multiply
    30,874.54x = 42,606.75 × 16,727.35
  4. Step 4: Simplify right side
    30,874.54x = 712,698,019.61
  5. Step 5: Solve for x
    x = 712,698,019.61/30,874.54
  6. Step 6: Final answer
    x = 23,083.68

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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.