Home / 45,409.23-62,631.23-31,266.63

Finding the Fourth Proportional to 45,409.23, 62,631.23 and 31,266.63

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Solution

The fourth proportional to 45,409.23, 62,631.23 and 31,266.63 is: 43,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409.23 : 62,631.23 = 31,266.63 : x
  2. Step 2: Convert to fraction form
    45,409.23/62,631.23 = 31,266.63/x
  3. Step 3: Cross multiply
    45,409.23x = 62,631.23 × 31,266.63
  4. Step 4: Simplify right side
    45,409.23x = 1,958,267,338.52
  5. Step 5: Solve for x
    x = 1,958,267,338.52/45,409.23
  6. Step 6: Final answer
    x = 43,124.87

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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.