Home / 30,987.45-46,483.43-8,802.59

Finding the Fourth Proportional to 30,987.45, 46,483.43 and 8,802.59

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Solution

The fourth proportional to 30,987.45, 46,483.43 and 8,802.59 is: 13,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.45 : 46,483.43 = 8,802.59 : x
  2. Step 2: Convert to fraction form
    30,987.45/46,483.43 = 8,802.59/x
  3. Step 3: Cross multiply
    30,987.45x = 46,483.43 × 8,802.59
  4. Step 4: Simplify right side
    30,987.45x = 409,174,299.65
  5. Step 5: Solve for x
    x = 409,174,299.65/30,987.45
  6. Step 6: Final answer
    x = 13,204.52

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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.