Home / 46,979.82-70,476.99-15,812.64

Finding the Fourth Proportional to 46,979.82, 70,476.99 and 15,812.64

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Solution

The fourth proportional to 46,979.82, 70,476.99 and 15,812.64 is: 23,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.82 : 70,476.99 = 15,812.64 : x
  2. Step 2: Convert to fraction form
    46,979.82/70,476.99 = 15,812.64/x
  3. Step 3: Cross multiply
    46,979.82x = 70,476.99 × 15,812.64
  4. Step 4: Simplify right side
    46,979.82x = 1,114,427,271.15
  5. Step 5: Solve for x
    x = 1,114,427,271.15/46,979.82
  6. Step 6: Final answer
    x = 23,721.40

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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.