Home / 53,009.10-79,483.41-21,807.18

Finding the Fourth Proportional to 53,009.10, 79,483.41 and 21,807.18

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Solution

The fourth proportional to 53,009.10, 79,483.41 and 21,807.18 is: 32,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.10 : 79,483.41 = 21,807.18 : x
  2. Step 2: Convert to fraction form
    53,009.10/79,483.41 = 21,807.18/x
  3. Step 3: Cross multiply
    53,009.10x = 79,483.41 × 21,807.18
  4. Step 4: Simplify right side
    53,009.10x = 1,733,309,028.88
  5. Step 5: Solve for x
    x = 1,733,309,028.88/53,009.10
  6. Step 6: Final answer
    x = 32,698.33

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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.