Home / 51,401.65-77,040.78-26,453.47

Finding the Fourth Proportional to 51,401.65, 77,040.78 and 26,453.47

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Solution

The fourth proportional to 51,401.65, 77,040.78 and 26,453.47 is: 39,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,401.65 : 77,040.78 = 26,453.47 : x
  2. Step 2: Convert to fraction form
    51,401.65/77,040.78 = 26,453.47/x
  3. Step 3: Cross multiply
    51,401.65x = 77,040.78 × 26,453.47
  4. Step 4: Simplify right side
    51,401.65x = 2,037,995,962.51
  5. Step 5: Solve for x
    x = 2,037,995,962.51/51,401.65
  6. Step 6: Final answer
    x = 39,648.45

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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.