Home / 29,211.63-40,285.59-19,136.40

Finding the Fourth Proportional to 29,211.63, 40,285.59 and 19,136.40

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Solution

The fourth proportional to 29,211.63, 40,285.59 and 19,136.40 is: 26,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.63 : 40,285.59 = 19,136.40 : x
  2. Step 2: Convert to fraction form
    29,211.63/40,285.59 = 19,136.40/x
  3. Step 3: Cross multiply
    29,211.63x = 40,285.59 × 19,136.40
  4. Step 4: Simplify right side
    29,211.63x = 770,921,164.48
  5. Step 5: Solve for x
    x = 770,921,164.48/29,211.63
  6. Step 6: Final answer
    x = 26,390.90

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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.