Home / 51,075.12-76,611.06-14,139.12

Finding the Fourth Proportional to 51,075.12, 76,611.06 and 14,139.12

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Solution

The fourth proportional to 51,075.12, 76,611.06 and 14,139.12 is: 21,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.12 : 76,611.06 = 14,139.12 : x
  2. Step 2: Convert to fraction form
    51,075.12/76,611.06 = 14,139.12/x
  3. Step 3: Cross multiply
    51,075.12x = 76,611.06 × 14,139.12
  4. Step 4: Simplify right side
    51,075.12x = 1,083,212,970.67
  5. Step 5: Solve for x
    x = 1,083,212,970.67/51,075.12
  6. Step 6: Final answer
    x = 21,208.23

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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.