Home / 32,989.74-45,563.67-21,709.59

Finding the Fourth Proportional to 32,989.74, 45,563.67 and 21,709.59

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Solution

The fourth proportional to 32,989.74, 45,563.67 and 21,709.59 is: 29,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.74 : 45,563.67 = 21,709.59 : x
  2. Step 2: Convert to fraction form
    32,989.74/45,563.67 = 21,709.59/x
  3. Step 3: Cross multiply
    32,989.74x = 45,563.67 × 21,709.59
  4. Step 4: Simplify right side
    32,989.74x = 989,168,258.23
  5. Step 5: Solve for x
    x = 989,168,258.23/32,989.74
  6. Step 6: Final answer
    x = 29,984.12

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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.