Home / 31,234.05-47,075.90-26,903.79

Finding the Fourth Proportional to 31,234.05, 47,075.90 and 26,903.79

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Solution

The fourth proportional to 31,234.05, 47,075.90 and 26,903.79 is: 40,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,234.05 : 47,075.90 = 26,903.79 : x
  2. Step 2: Convert to fraction form
    31,234.05/47,075.90 = 26,903.79/x
  3. Step 3: Cross multiply
    31,234.05x = 47,075.90 × 26,903.79
  4. Step 4: Simplify right side
    31,234.05x = 1,266,519,993.14
  5. Step 5: Solve for x
    x = 1,266,519,993.14/31,234.05
  6. Step 6: Final answer
    x = 40,549.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.