Home / 29,436.14-40,621.01-16,690.50

Finding the Fourth Proportional to 29,436.14, 40,621.01 and 16,690.50

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Solution

The fourth proportional to 29,436.14, 40,621.01 and 16,690.50 is: 23,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.14 : 40,621.01 = 16,690.50 : x
  2. Step 2: Convert to fraction form
    29,436.14/40,621.01 = 16,690.50/x
  3. Step 3: Cross multiply
    29,436.14x = 40,621.01 × 16,690.50
  4. Step 4: Simplify right side
    29,436.14x = 677,984,967.41
  5. Step 5: Solve for x
    x = 677,984,967.41/29,436.14
  6. Step 6: Final answer
    x = 23,032.40

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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.