Home / 32,859.28-45,362.87-20,130.94

Finding the Fourth Proportional to 32,859.28, 45,362.87 and 20,130.94

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Solution

The fourth proportional to 32,859.28, 45,362.87 and 20,130.94 is: 27,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.28 : 45,362.87 = 20,130.94 : x
  2. Step 2: Convert to fraction form
    32,859.28/45,362.87 = 20,130.94/x
  3. Step 3: Cross multiply
    32,859.28x = 45,362.87 × 20,130.94
  4. Step 4: Simplify right side
    32,859.28x = 913,197,214.20
  5. Step 5: Solve for x
    x = 913,197,214.20/32,859.28
  6. Step 6: Final answer
    x = 27,791.15

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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.