Home / 31,050.48-42,849.68-16,903.38

Finding the Fourth Proportional to 31,050.48, 42,849.68 and 16,903.38

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Solution

The fourth proportional to 31,050.48, 42,849.68 and 16,903.38 is: 23,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,050.48 : 42,849.68 = 16,903.38 : x
  2. Step 2: Convert to fraction form
    31,050.48/42,849.68 = 16,903.38/x
  3. Step 3: Cross multiply
    31,050.48x = 42,849.68 × 16,903.38
  4. Step 4: Simplify right side
    31,050.48x = 724,304,339.40
  5. Step 5: Solve for x
    x = 724,304,339.40/31,050.48
  6. Step 6: Final answer
    x = 23,326.67

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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.