Home / 39,579.58-59,369.37-18,798.22

Finding the Fourth Proportional to 39,579.58, 59,369.37 and 18,798.22

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Solution

The fourth proportional to 39,579.58, 59,369.37 and 18,798.22 is: 28,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.58 : 59,369.37 = 18,798.22 : x
  2. Step 2: Convert to fraction form
    39,579.58/59,369.37 = 18,798.22/x
  3. Step 3: Cross multiply
    39,579.58x = 59,369.37 × 18,798.22
  4. Step 4: Simplify right side
    39,579.58x = 1,116,038,478.52
  5. Step 5: Solve for x
    x = 1,116,038,478.52/39,579.58
  6. Step 6: Final answer
    x = 28,197.33

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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.