Home / 46,830.48-70,275-19,128.48

Finding the Fourth Proportional to 46,830.48, 70,275 and 19,128.48

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Solution

The fourth proportional to 46,830.48, 70,275 and 19,128.48 is: 28,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,830.48 : 70,275 = 19,128.48 : x
  2. Step 2: Convert to fraction form
    46,830.48/70,275 = 19,128.48/x
  3. Step 3: Cross multiply
    46,830.48x = 70,275 × 19,128.48
  4. Step 4: Simplify right side
    46,830.48x = 1,344,253,932
  5. Step 5: Solve for x
    x = 1,344,253,932/46,830.48
  6. Step 6: Final answer
    x = 28,704.68

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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.