Home / 39,100.14-58,647.29-12,445.07

Finding the Fourth Proportional to 39,100.14, 58,647.29 and 12,445.07

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Solution

The fourth proportional to 39,100.14, 58,647.29 and 12,445.07 is: 18,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.14 : 58,647.29 = 12,445.07 : x
  2. Step 2: Convert to fraction form
    39,100.14/58,647.29 = 12,445.07/x
  3. Step 3: Cross multiply
    39,100.14x = 58,647.29 × 12,445.07
  4. Step 4: Simplify right side
    39,100.14x = 729,869,273.90
  5. Step 5: Solve for x
    x = 729,869,273.90/39,100.14
  6. Step 6: Final answer
    x = 18,666.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.