Home / 30,968.03-42,737.95-17,356.23

Finding the Fourth Proportional to 30,968.03, 42,737.95 and 17,356.23

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Solution

The fourth proportional to 30,968.03, 42,737.95 and 17,356.23 is: 23,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.03 : 42,737.95 = 17,356.23 : x
  2. Step 2: Convert to fraction form
    30,968.03/42,737.95 = 17,356.23/x
  3. Step 3: Cross multiply
    30,968.03x = 42,737.95 × 17,356.23
  4. Step 4: Simplify right side
    30,968.03x = 741,769,613.99
  5. Step 5: Solve for x
    x = 741,769,613.99/30,968.03
  6. Step 6: Final answer
    x = 23,952.76

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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.