Home / 30,345.70-41,877.07-16,916.66

Finding the Fourth Proportional to 30,345.70, 41,877.07 and 16,916.66

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Solution

The fourth proportional to 30,345.70, 41,877.07 and 16,916.66 is: 23,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.70 : 41,877.07 = 16,916.66 : x
  2. Step 2: Convert to fraction form
    30,345.70/41,877.07 = 16,916.66/x
  3. Step 3: Cross multiply
    30,345.70x = 41,877.07 × 16,916.66
  4. Step 4: Simplify right side
    30,345.70x = 708,420,217.39
  5. Step 5: Solve for x
    x = 708,420,217.39/30,345.70
  6. Step 6: Final answer
    x = 23,345.00

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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.