Home / 34,089.12-51,141.88-10,715.54

Finding the Fourth Proportional to 34,089.12, 51,141.88 and 10,715.54

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Solution

The fourth proportional to 34,089.12, 51,141.88 and 10,715.54 is: 16,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,089.12 : 51,141.88 = 10,715.54 : x
  2. Step 2: Convert to fraction form
    34,089.12/51,141.88 = 10,715.54/x
  3. Step 3: Cross multiply
    34,089.12x = 51,141.88 × 10,715.54
  4. Step 4: Simplify right side
    34,089.12x = 548,012,860.82
  5. Step 5: Solve for x
    x = 548,012,860.82/34,089.12
  6. Step 6: Final answer
    x = 16,075.89

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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.