Home / 30,151.52-41,609.08-16,724.80

Finding the Fourth Proportional to 30,151.52, 41,609.08 and 16,724.80

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Solution

The fourth proportional to 30,151.52, 41,609.08 and 16,724.80 is: 23,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.52 : 41,609.08 = 16,724.80 : x
  2. Step 2: Convert to fraction form
    30,151.52/41,609.08 = 16,724.80/x
  3. Step 3: Cross multiply
    30,151.52x = 41,609.08 × 16,724.80
  4. Step 4: Simplify right side
    30,151.52x = 695,903,541.18
  5. Step 5: Solve for x
    x = 695,903,541.18/30,151.52
  6. Step 6: Final answer
    x = 23,080.21

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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.