Home / 35,262.47-48,662.20-20,155.45

Finding the Fourth Proportional to 35,262.47, 48,662.20 and 20,155.45

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Solution

The fourth proportional to 35,262.47, 48,662.20 and 20,155.45 is: 27,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,262.47 : 48,662.20 = 20,155.45 : x
  2. Step 2: Convert to fraction form
    35,262.47/48,662.20 = 20,155.45/x
  3. Step 3: Cross multiply
    35,262.47x = 48,662.20 × 20,155.45
  4. Step 4: Simplify right side
    35,262.47x = 980,808,538.99
  5. Step 5: Solve for x
    x = 980,808,538.99/35,262.47
  6. Step 6: Final answer
    x = 27,814.52

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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.