Home / 30,683.40-42,340.02-17,252.52

Finding the Fourth Proportional to 30,683.40, 42,340.02 and 17,252.52

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Solution

The fourth proportional to 30,683.40, 42,340.02 and 17,252.52 is: 23,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.40 : 42,340.02 = 17,252.52 : x
  2. Step 2: Convert to fraction form
    30,683.40/42,340.02 = 17,252.52/x
  3. Step 3: Cross multiply
    30,683.40x = 42,340.02 × 17,252.52
  4. Step 4: Simplify right side
    30,683.40x = 730,472,041.85
  5. Step 5: Solve for x
    x = 730,472,041.85/30,683.40
  6. Step 6: Final answer
    x = 23,806.75

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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.