Home / 29,636.84-40,867.62-18,439.40

Finding the Fourth Proportional to 29,636.84, 40,867.62 and 18,439.40

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Solution

The fourth proportional to 29,636.84, 40,867.62 and 18,439.40 is: 25,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,636.84 : 40,867.62 = 18,439.40 : x
  2. Step 2: Convert to fraction form
    29,636.84/40,867.62 = 18,439.40/x
  3. Step 3: Cross multiply
    29,636.84x = 40,867.62 × 18,439.40
  4. Step 4: Simplify right side
    29,636.84x = 753,574,392.23
  5. Step 5: Solve for x
    x = 753,574,392.23/29,636.84
  6. Step 6: Final answer
    x = 25,426.95

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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.