Home / 31,048.08-42,846.12-16,900.80

Finding the Fourth Proportional to 31,048.08, 42,846.12 and 16,900.80

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Solution

The fourth proportional to 31,048.08, 42,846.12 and 16,900.80 is: 23,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.08 : 42,846.12 = 16,900.80 : x
  2. Step 2: Convert to fraction form
    31,048.08/42,846.12 = 16,900.80/x
  3. Step 3: Cross multiply
    31,048.08x = 42,846.12 × 16,900.80
  4. Step 4: Simplify right side
    31,048.08x = 724,133,704.90
  5. Step 5: Solve for x
    x = 724,133,704.90/31,048.08
  6. Step 6: Final answer
    x = 23,322.98

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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.