Home / 30,020.76-41,427.36-16,591.32

Finding the Fourth Proportional to 30,020.76, 41,427.36 and 16,591.32

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Solution

The fourth proportional to 30,020.76, 41,427.36 and 16,591.32 is: 22,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.76 : 41,427.36 = 16,591.32 : x
  2. Step 2: Convert to fraction form
    30,020.76/41,427.36 = 16,591.32/x
  3. Step 3: Cross multiply
    30,020.76x = 41,427.36 × 16,591.32
  4. Step 4: Simplify right side
    30,020.76x = 687,334,586.52
  5. Step 5: Solve for x
    x = 687,334,586.52/30,020.76
  6. Step 6: Final answer
    x = 22,895.31

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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.