Home / 29,477.08-40,680.48-16,557.40

Finding the Fourth Proportional to 29,477.08, 40,680.48 and 16,557.40

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Solution

The fourth proportional to 29,477.08, 40,680.48 and 16,557.40 is: 22,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.08 : 40,680.48 = 16,557.40 : x
  2. Step 2: Convert to fraction form
    29,477.08/40,680.48 = 16,557.40/x
  3. Step 3: Cross multiply
    29,477.08x = 40,680.48 × 16,557.40
  4. Step 4: Simplify right side
    29,477.08x = 673,562,979.55
  5. Step 5: Solve for x
    x = 673,562,979.55/29,477.08
  6. Step 6: Final answer
    x = 22,850.40

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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.