Home / 30,669.70-45,780.73-26,315.14

Finding the Fourth Proportional to 30,669.70, 45,780.73 and 26,315.14

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Solution

The fourth proportional to 30,669.70, 45,780.73 and 26,315.14 is: 39,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.70 : 45,780.73 = 26,315.14 : x
  2. Step 2: Convert to fraction form
    30,669.70/45,780.73 = 26,315.14/x
  3. Step 3: Cross multiply
    30,669.70x = 45,780.73 × 26,315.14
  4. Step 4: Simplify right side
    30,669.70x = 1,204,726,319.25
  5. Step 5: Solve for x
    x = 1,204,726,319.25/30,669.70
  6. Step 6: Final answer
    x = 39,280.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.