Home / 46,718.60-70,025.78-18,631.28

Finding the Fourth Proportional to 46,718.60, 70,025.78 and 18,631.28

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Solution

The fourth proportional to 46,718.60, 70,025.78 and 18,631.28 is: 27,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,718.60 : 70,025.78 = 18,631.28 : x
  2. Step 2: Convert to fraction form
    46,718.60/70,025.78 = 18,631.28/x
  3. Step 3: Cross multiply
    46,718.60x = 70,025.78 × 18,631.28
  4. Step 4: Simplify right side
    46,718.60x = 1,304,669,914.40
  5. Step 5: Solve for x
    x = 1,304,669,914.40/46,718.60
  6. Step 6: Final answer
    x = 27,926.13

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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.