Home / 30,576.39-42,195.36-17,830.08

Finding the Fourth Proportional to 30,576.39, 42,195.36 and 17,830.08

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Solution

The fourth proportional to 30,576.39, 42,195.36 and 17,830.08 is: 24,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576.39 : 42,195.36 = 17,830.08 : x
  2. Step 2: Convert to fraction form
    30,576.39/42,195.36 = 17,830.08/x
  3. Step 3: Cross multiply
    30,576.39x = 42,195.36 × 17,830.08
  4. Step 4: Simplify right side
    30,576.39x = 752,346,644.43
  5. Step 5: Solve for x
    x = 752,346,644.43/30,576.39
  6. Step 6: Final answer
    x = 24,605.48

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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.