Home / 30,984.18-42,758.08-16,837.02

Finding the Fourth Proportional to 30,984.18, 42,758.08 and 16,837.02

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Solution

The fourth proportional to 30,984.18, 42,758.08 and 16,837.02 is: 23,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.18 : 42,758.08 = 16,837.02 : x
  2. Step 2: Convert to fraction form
    30,984.18/42,758.08 = 16,837.02/x
  3. Step 3: Cross multiply
    30,984.18x = 42,758.08 × 16,837.02
  4. Step 4: Simplify right side
    30,984.18x = 719,918,648.12
  5. Step 5: Solve for x
    x = 719,918,648.12/30,984.18
  6. Step 6: Final answer
    x = 23,235.04

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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.