Home / 30,942.45-42,700.55-16,795.29

Finding the Fourth Proportional to 30,942.45, 42,700.55 and 16,795.29

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Solution

The fourth proportional to 30,942.45, 42,700.55 and 16,795.29 is: 23,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.45 : 42,700.55 = 16,795.29 : x
  2. Step 2: Convert to fraction form
    30,942.45/42,700.55 = 16,795.29/x
  3. Step 3: Cross multiply
    30,942.45x = 42,700.55 × 16,795.29
  4. Step 4: Simplify right side
    30,942.45x = 717,168,162.40
  5. Step 5: Solve for x
    x = 717,168,162.40/30,942.45
  6. Step 6: Final answer
    x = 23,177.48

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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.