Home / 30,178.52-41,646.18-16,751.72

Finding the Fourth Proportional to 30,178.52, 41,646.18 and 16,751.72

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Solution

The fourth proportional to 30,178.52, 41,646.18 and 16,751.72 is: 23,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.52 : 41,646.18 = 16,751.72 : x
  2. Step 2: Convert to fraction form
    30,178.52/41,646.18 = 16,751.72/x
  3. Step 3: Cross multiply
    30,178.52x = 41,646.18 × 16,751.72
  4. Step 4: Simplify right side
    30,178.52x = 697,645,146.43
  5. Step 5: Solve for x
    x = 697,645,146.43/30,178.52
  6. Step 6: Final answer
    x = 23,117.28

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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.