Home / 30,437.38-42,002.08-17,005.96

Finding the Fourth Proportional to 30,437.38, 42,002.08 and 17,005.96

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Solution

The fourth proportional to 30,437.38, 42,002.08 and 17,005.96 is: 23,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.38 : 42,002.08 = 17,005.96 : x
  2. Step 2: Convert to fraction form
    30,437.38/42,002.08 = 17,005.96/x
  3. Step 3: Cross multiply
    30,437.38x = 42,002.08 × 17,005.96
  4. Step 4: Simplify right side
    30,437.38x = 714,285,692.40
  5. Step 5: Solve for x
    x = 714,285,692.40/30,437.38
  6. Step 6: Final answer
    x = 23,467.38

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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.