Home / 43,775.02-65,683.05-21,576.30

Finding the Fourth Proportional to 43,775.02, 65,683.05 and 21,576.30

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Solution

The fourth proportional to 43,775.02, 65,683.05 and 21,576.30 is: 32,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,775.02 : 65,683.05 = 21,576.30 : x
  2. Step 2: Convert to fraction form
    43,775.02/65,683.05 = 21,576.30/x
  3. Step 3: Cross multiply
    43,775.02x = 65,683.05 × 21,576.30
  4. Step 4: Simplify right side
    43,775.02x = 1,417,197,191.72
  5. Step 5: Solve for x
    x = 1,417,197,191.72/43,775.02
  6. Step 6: Final answer
    x = 32,374.56

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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.