Home / 46,478.43-64,150.38-30,564.36

Finding the Fourth Proportional to 46,478.43, 64,150.38 and 30,564.36

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Solution

The fourth proportional to 46,478.43, 64,150.38 and 30,564.36 is: 42,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,478.43 : 64,150.38 = 30,564.36 : x
  2. Step 2: Convert to fraction form
    46,478.43/64,150.38 = 30,564.36/x
  3. Step 3: Cross multiply
    46,478.43x = 64,150.38 × 30,564.36
  4. Step 4: Simplify right side
    46,478.43x = 1,960,715,308.46
  5. Step 5: Solve for x
    x = 1,960,715,308.46/46,478.43
  6. Step 6: Final answer
    x = 42,185.49

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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.