Home / 30,532.98-42,135.90-17,103.99

Finding the Fourth Proportional to 30,532.98, 42,135.90 and 17,103.99

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Solution

The fourth proportional to 30,532.98, 42,135.90 and 17,103.99 is: 23,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.98 : 42,135.90 = 17,103.99 : x
  2. Step 2: Convert to fraction form
    30,532.98/42,135.90 = 17,103.99/x
  3. Step 3: Cross multiply
    30,532.98x = 42,135.90 × 17,103.99
  4. Step 4: Simplify right side
    30,532.98x = 720,692,012.24
  5. Step 5: Solve for x
    x = 720,692,012.24/30,532.98
  6. Step 6: Final answer
    x = 23,603.72

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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.