Home / 39,289.12-58,920.30-14,323.30

Finding the Fourth Proportional to 39,289.12, 58,920.30 and 14,323.30

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Solution

The fourth proportional to 39,289.12, 58,920.30 and 14,323.30 is: 21,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.12 : 58,920.30 = 14,323.30 : x
  2. Step 2: Convert to fraction form
    39,289.12/58,920.30 = 14,323.30/x
  3. Step 3: Cross multiply
    39,289.12x = 58,920.30 × 14,323.30
  4. Step 4: Simplify right side
    39,289.12x = 843,933,132.99
  5. Step 5: Solve for x
    x = 843,933,132.99/39,289.12
  6. Step 6: Final answer
    x = 21,480.07

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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.