Home / 39,999.55-55,158.03-34,352.99

Finding the Fourth Proportional to 39,999.55, 55,158.03 and 34,352.99

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Solution

The fourth proportional to 39,999.55, 55,158.03 and 34,352.99 is: 47,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.55 : 55,158.03 = 34,352.99 : x
  2. Step 2: Convert to fraction form
    39,999.55/55,158.03 = 34,352.99/x
  3. Step 3: Cross multiply
    39,999.55x = 55,158.03 × 34,352.99
  4. Step 4: Simplify right side
    39,999.55x = 1,894,843,390.90
  5. Step 5: Solve for x
    x = 1,894,843,390.90/39,999.55
  6. Step 6: Final answer
    x = 47,371.62

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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.