Home / 35,828.40-53,742.60-18,113.70

Finding the Fourth Proportional to 35,828.40, 53,742.60 and 18,113.70

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Solution

The fourth proportional to 35,828.40, 53,742.60 and 18,113.70 is: 27,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.40 : 53,742.60 = 18,113.70 : x
  2. Step 2: Convert to fraction form
    35,828.40/53,742.60 = 18,113.70/x
  3. Step 3: Cross multiply
    35,828.40x = 53,742.60 × 18,113.70
  4. Step 4: Simplify right side
    35,828.40x = 973,477,333.62
  5. Step 5: Solve for x
    x = 973,477,333.62/35,828.40
  6. Step 6: Final answer
    x = 27,170.55

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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.