Home / 51,136.38-70,568.73-29,911.50

Finding the Fourth Proportional to 51,136.38, 70,568.73 and 29,911.50

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Solution

The fourth proportional to 51,136.38, 70,568.73 and 29,911.50 is: 41,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.38 : 70,568.73 = 29,911.50 : x
  2. Step 2: Convert to fraction form
    51,136.38/70,568.73 = 29,911.50/x
  3. Step 3: Cross multiply
    51,136.38x = 70,568.73 × 29,911.50
  4. Step 4: Simplify right side
    51,136.38x = 2,110,816,567.40
  5. Step 5: Solve for x
    x = 2,110,816,567.40/51,136.38
  6. Step 6: Final answer
    x = 41,278.18

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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.