Home / 30,942.48-42,699.48-16,795.02

Finding the Fourth Proportional to 30,942.48, 42,699.48 and 16,795.02

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Solution

The fourth proportional to 30,942.48, 42,699.48 and 16,795.02 is: 23,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.48 : 42,699.48 = 16,795.02 : x
  2. Step 2: Convert to fraction form
    30,942.48/42,699.48 = 16,795.02/x
  3. Step 3: Cross multiply
    30,942.48x = 42,699.48 × 16,795.02
  4. Step 4: Simplify right side
    30,942.48x = 717,138,620.59
  5. Step 5: Solve for x
    x = 717,138,620.59/30,942.48
  6. Step 6: Final answer
    x = 23,176.51

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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.