Home / 43,616.48-65,433.36-15,916.64

Finding the Fourth Proportional to 43,616.48, 65,433.36 and 15,916.64

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Solution

The fourth proportional to 43,616.48, 65,433.36 and 15,916.64 is: 23,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,616.48 : 65,433.36 = 15,916.64 : x
  2. Step 2: Convert to fraction form
    43,616.48/65,433.36 = 15,916.64/x
  3. Step 3: Cross multiply
    43,616.48x = 65,433.36 × 15,916.64
  4. Step 4: Simplify right side
    43,616.48x = 1,041,479,235.11
  5. Step 5: Solve for x
    x = 1,041,479,235.11/43,616.48
  6. Step 6: Final answer
    x = 23,878.11

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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.