Home / 30,536.61-42,140.48-17,107.95

Finding the Fourth Proportional to 30,536.61, 42,140.48 and 17,107.95

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Solution

The fourth proportional to 30,536.61, 42,140.48 and 17,107.95 is: 23,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,536.61 : 42,140.48 = 17,107.95 : x
  2. Step 2: Convert to fraction form
    30,536.61/42,140.48 = 17,107.95/x
  3. Step 3: Cross multiply
    30,536.61x = 42,140.48 × 17,107.95
  4. Step 4: Simplify right side
    30,536.61x = 720,937,297.30
  5. Step 5: Solve for x
    x = 720,937,297.30/30,536.61
  6. Step 6: Final answer
    x = 23,608.95

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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.