Home / 30,344.39-41,875.44-16,916.50

Finding the Fourth Proportional to 30,344.39, 41,875.44 and 16,916.50

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Solution

The fourth proportional to 30,344.39, 41,875.44 and 16,916.50 is: 23,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.39 : 41,875.44 = 16,916.50 : x
  2. Step 2: Convert to fraction form
    30,344.39/41,875.44 = 16,916.50/x
  3. Step 3: Cross multiply
    30,344.39x = 41,875.44 × 16,916.50
  4. Step 4: Simplify right side
    30,344.39x = 708,385,681.70
  5. Step 5: Solve for x
    x = 708,385,681.70/30,344.39
  6. Step 6: Final answer
    x = 23,344.87

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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.