Home / 30,772.80-46,159.21-9,714.97

Finding the Fourth Proportional to 30,772.80, 46,159.21 and 9,714.97

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Solution

The fourth proportional to 30,772.80, 46,159.21 and 9,714.97 is: 14,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.80 : 46,159.21 = 9,714.97 : x
  2. Step 2: Convert to fraction form
    30,772.80/46,159.21 = 9,714.97/x
  3. Step 3: Cross multiply
    30,772.80x = 46,159.21 × 9,714.97
  4. Step 4: Simplify right side
    30,772.80x = 448,435,513.47
  5. Step 5: Solve for x
    x = 448,435,513.47/30,772.80
  6. Step 6: Final answer
    x = 14,572.46

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1.5x scale

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.