Home / 34,136.58-51,204.87-13,345.50

Finding the Fourth Proportional to 34,136.58, 51,204.87 and 13,345.50

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Solution

The fourth proportional to 34,136.58, 51,204.87 and 13,345.50 is: 20,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.58 : 51,204.87 = 13,345.50 : x
  2. Step 2: Convert to fraction form
    34,136.58/51,204.87 = 13,345.50/x
  3. Step 3: Cross multiply
    34,136.58x = 51,204.87 × 13,345.50
  4. Step 4: Simplify right side
    34,136.58x = 683,354,592.59
  5. Step 5: Solve for x
    x = 683,354,592.59/34,136.58
  6. Step 6: Final answer
    x = 20,018.25

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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.