Home / 51,075.40-76,675.76-40,052.20

Finding the Fourth Proportional to 51,075.40, 76,675.76 and 40,052.20

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Solution

The fourth proportional to 51,075.40, 76,675.76 and 40,052.20 is: 60,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.40 : 76,675.76 = 40,052.20 : x
  2. Step 2: Convert to fraction form
    51,075.40/76,675.76 = 40,052.20/x
  3. Step 3: Cross multiply
    51,075.40x = 76,675.76 × 40,052.20
  4. Step 4: Simplify right side
    51,075.40x = 3,071,032,874.67
  5. Step 5: Solve for x
    x = 3,071,032,874.67/51,075.40
  6. Step 6: Final answer
    x = 60,127.44

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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.