Home / 31,048.05-42,846.30-16,900.89

Finding the Fourth Proportional to 31,048.05, 42,846.30 and 16,900.89

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Solution

The fourth proportional to 31,048.05, 42,846.30 and 16,900.89 is: 23,323.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.05 : 42,846.30 = 16,900.89 : x
  2. Step 2: Convert to fraction form
    31,048.05/42,846.30 = 16,900.89/x
  3. Step 3: Cross multiply
    31,048.05x = 42,846.30 × 16,900.89
  4. Step 4: Simplify right side
    31,048.05x = 724,140,603.21
  5. Step 5: Solve for x
    x = 724,140,603.21/31,048.05
  6. Step 6: Final answer
    x = 23,323.22

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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.