Home / 39,969.99-55,158.60-22,065.01

Finding the Fourth Proportional to 39,969.99, 55,158.60 and 22,065.01

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Solution

The fourth proportional to 39,969.99, 55,158.60 and 22,065.01 is: 30,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.99 : 55,158.60 = 22,065.01 : x
  2. Step 2: Convert to fraction form
    39,969.99/55,158.60 = 22,065.01/x
  3. Step 3: Cross multiply
    39,969.99x = 55,158.60 × 22,065.01
  4. Step 4: Simplify right side
    39,969.99x = 1,217,075,005.43
  5. Step 5: Solve for x
    x = 1,217,075,005.43/39,969.99
  6. Step 6: Final answer
    x = 30,449.72

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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.