Home / 30,942.39-42,700.55-16,795.24

Finding the Fourth Proportional to 30,942.39, 42,700.55 and 16,795.24

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Solution

The fourth proportional to 30,942.39, 42,700.55 and 16,795.24 is: 23,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.39 : 42,700.55 = 16,795.24 : x
  2. Step 2: Convert to fraction form
    30,942.39/42,700.55 = 16,795.24/x
  3. Step 3: Cross multiply
    30,942.39x = 42,700.55 × 16,795.24
  4. Step 4: Simplify right side
    30,942.39x = 717,165,985.38
  5. Step 5: Solve for x
    x = 717,165,985.38/30,942.39
  6. Step 6: Final answer
    x = 23,177.46

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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.