Home / 34,587.30-47,728.53-20,441.46

Finding the Fourth Proportional to 34,587.30, 47,728.53 and 20,441.46

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Solution

The fourth proportional to 34,587.30, 47,728.53 and 20,441.46 is: 28,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587.30 : 47,728.53 = 20,441.46 : x
  2. Step 2: Convert to fraction form
    34,587.30/47,728.53 = 20,441.46/x
  3. Step 3: Cross multiply
    34,587.30x = 47,728.53 × 20,441.46
  4. Step 4: Simplify right side
    34,587.30x = 975,640,836.85
  5. Step 5: Solve for x
    x = 975,640,836.85/34,587.30
  6. Step 6: Final answer
    x = 28,208.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.