Home / 45,386.24-68,089.08-19,075.82

Finding the Fourth Proportional to 45,386.24, 68,089.08 and 19,075.82

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Solution

The fourth proportional to 45,386.24, 68,089.08 and 19,075.82 is: 28,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,386.24 : 68,089.08 = 19,075.82 : x
  2. Step 2: Convert to fraction form
    45,386.24/68,089.08 = 19,075.82/x
  3. Step 3: Cross multiply
    45,386.24x = 68,089.08 × 19,075.82
  4. Step 4: Simplify right side
    45,386.24x = 1,298,855,034.05
  5. Step 5: Solve for x
    x = 1,298,855,034.05/45,386.24
  6. Step 6: Final answer
    x = 28,617.82

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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.