Home / 35,478.81-48,960.09-19,564.74

Finding the Fourth Proportional to 35,478.81, 48,960.09 and 19,564.74

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Solution

The fourth proportional to 35,478.81, 48,960.09 and 19,564.74 is: 26,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.81 : 48,960.09 = 19,564.74 : x
  2. Step 2: Convert to fraction form
    35,478.81/48,960.09 = 19,564.74/x
  3. Step 3: Cross multiply
    35,478.81x = 48,960.09 × 19,564.74
  4. Step 4: Simplify right side
    35,478.81x = 957,891,431.23
  5. Step 5: Solve for x
    x = 957,891,431.23/35,478.81
  6. Step 6: Final answer
    x = 26,998.97

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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.