Home / 32,775.47-45,230.20-18,628.31

Finding the Fourth Proportional to 32,775.47, 45,230.20 and 18,628.31

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Solution

The fourth proportional to 32,775.47, 45,230.20 and 18,628.31 is: 25,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.47 : 45,230.20 = 18,628.31 : x
  2. Step 2: Convert to fraction form
    32,775.47/45,230.20 = 18,628.31/x
  3. Step 3: Cross multiply
    32,775.47x = 45,230.20 × 18,628.31
  4. Step 4: Simplify right side
    32,775.47x = 842,562,253.47
  5. Step 5: Solve for x
    x = 842,562,253.47/32,775.47
  6. Step 6: Final answer
    x = 25,707.10

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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.