Home / 30,528.48-45,792.72-10,802.28

Finding the Fourth Proportional to 30,528.48, 45,792.72 and 10,802.28

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Solution

The fourth proportional to 30,528.48, 45,792.72 and 10,802.28 is: 16,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.48 : 45,792.72 = 10,802.28 : x
  2. Step 2: Convert to fraction form
    30,528.48/45,792.72 = 10,802.28/x
  3. Step 3: Cross multiply
    30,528.48x = 45,792.72 × 10,802.28
  4. Step 4: Simplify right side
    30,528.48x = 494,665,783.40
  5. Step 5: Solve for x
    x = 494,665,783.40/30,528.48
  6. Step 6: Final answer
    x = 16,203.42

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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.