Home / 30,895.97-42,636.71-16,748.84

Finding the Fourth Proportional to 30,895.97, 42,636.71 and 16,748.84

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Solution

The fourth proportional to 30,895.97, 42,636.71 and 16,748.84 is: 23,113.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895.97 : 42,636.71 = 16,748.84 : x
  2. Step 2: Convert to fraction form
    30,895.97/42,636.71 = 16,748.84/x
  3. Step 3: Cross multiply
    30,895.97x = 42,636.71 × 16,748.84
  4. Step 4: Simplify right side
    30,895.97x = 714,115,582.38
  5. Step 5: Solve for x
    x = 714,115,582.38/30,895.97
  6. Step 6: Final answer
    x = 23,113.55

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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.