Home / 50,681.12-76,020.12-21,098.21

Finding the Fourth Proportional to 50,681.12, 76,020.12 and 21,098.21

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Solution

The fourth proportional to 50,681.12, 76,020.12 and 21,098.21 is: 31,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.12 : 76,020.12 = 21,098.21 : x
  2. Step 2: Convert to fraction form
    50,681.12/76,020.12 = 21,098.21/x
  3. Step 3: Cross multiply
    50,681.12x = 76,020.12 × 21,098.21
  4. Step 4: Simplify right side
    50,681.12x = 1,603,888,075.88
  5. Step 5: Solve for x
    x = 1,603,888,075.88/50,681.12
  6. Step 6: Final answer
    x = 31,646.66

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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.