Home / 30,915.04-46,377.38-9,859.80

Finding the Fourth Proportional to 30,915.04, 46,377.38 and 9,859.80

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Solution

The fourth proportional to 30,915.04, 46,377.38 and 9,859.80 is: 14,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.04 : 46,377.38 = 9,859.80 : x
  2. Step 2: Convert to fraction form
    30,915.04/46,377.38 = 9,859.80/x
  3. Step 3: Cross multiply
    30,915.04x = 46,377.38 × 9,859.80
  4. Step 4: Simplify right side
    30,915.04x = 457,271,691.32
  5. Step 5: Solve for x
    x = 457,271,691.32/30,915.04
  6. Step 6: Final answer
    x = 14,791.24

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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.