Home / 30,570.40-42,195.90-18,002.44

Finding the Fourth Proportional to 30,570.40, 42,195.90 and 18,002.44

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Solution

The fourth proportional to 30,570.40, 42,195.90 and 18,002.44 is: 24,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.40 : 42,195.90 = 18,002.44 : x
  2. Step 2: Convert to fraction form
    30,570.40/42,195.90 = 18,002.44/x
  3. Step 3: Cross multiply
    30,570.40x = 42,195.90 × 18,002.44
  4. Step 4: Simplify right side
    30,570.40x = 759,629,158.00
  5. Step 5: Solve for x
    x = 759,629,158.00/30,570.40
  6. Step 6: Final answer
    x = 24,848.52

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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.