Home / 30,984.48-42,758.76-16,837.44

Finding the Fourth Proportional to 30,984.48, 42,758.76 and 16,837.44

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Solution

The fourth proportional to 30,984.48, 42,758.76 and 16,837.44 is: 23,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.48 : 42,758.76 = 16,837.44 : x
  2. Step 2: Convert to fraction form
    30,984.48/42,758.76 = 16,837.44/x
  3. Step 3: Cross multiply
    30,984.48x = 42,758.76 × 16,837.44
  4. Step 4: Simplify right side
    30,984.48x = 719,948,055.97
  5. Step 5: Solve for x
    x = 719,948,055.97/30,984.48
  6. Step 6: Final answer
    x = 23,235.76

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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.