Home / 30,528.35-45,805.70-16,485.58

Finding the Fourth Proportional to 30,528.35, 45,805.70 and 16,485.58

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Solution

The fourth proportional to 30,528.35, 45,805.70 and 16,485.58 is: 24,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.35 : 45,805.70 = 16,485.58 : x
  2. Step 2: Convert to fraction form
    30,528.35/45,805.70 = 16,485.58/x
  3. Step 3: Cross multiply
    30,528.35x = 45,805.70 × 16,485.58
  4. Step 4: Simplify right side
    30,528.35x = 755,133,531.81
  5. Step 5: Solve for x
    x = 755,133,531.81/30,528.35
  6. Step 6: Final answer
    x = 24,735.48

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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.