Home / 51,300.20-70,765.82-30,075.38

Finding the Fourth Proportional to 51,300.20, 70,765.82 and 30,075.38

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Solution

The fourth proportional to 51,300.20, 70,765.82 and 30,075.38 is: 41,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,300.20 : 70,765.82 = 30,075.38 : x
  2. Step 2: Convert to fraction form
    51,300.20/70,765.82 = 30,075.38/x
  3. Step 3: Cross multiply
    51,300.20x = 70,765.82 × 30,075.38
  4. Step 4: Simplify right side
    51,300.20x = 2,128,308,927.51
  5. Step 5: Solve for x
    x = 2,128,308,927.51/51,300.20
  6. Step 6: Final answer
    x = 41,487.34

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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.