Home / 32,813.09-45,266.31-21,477.59

Finding the Fourth Proportional to 32,813.09, 45,266.31 and 21,477.59

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Solution

The fourth proportional to 32,813.09, 45,266.31 and 21,477.59 is: 29,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.09 : 45,266.31 = 21,477.59 : x
  2. Step 2: Convert to fraction form
    32,813.09/45,266.31 = 21,477.59/x
  3. Step 3: Cross multiply
    32,813.09x = 45,266.31 × 21,477.59
  4. Step 4: Simplify right side
    32,813.09x = 972,211,360.16
  5. Step 5: Solve for x
    x = 972,211,360.16/32,813.09
  6. Step 6: Final answer
    x = 29,628.76

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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.