Home / 51,028.47-76,525.02-19,430.91

Finding the Fourth Proportional to 51,028.47, 76,525.02 and 19,430.91

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Solution

The fourth proportional to 51,028.47, 76,525.02 and 19,430.91 is: 29,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.47 : 76,525.02 = 19,430.91 : x
  2. Step 2: Convert to fraction form
    51,028.47/76,525.02 = 19,430.91/x
  3. Step 3: Cross multiply
    51,028.47x = 76,525.02 × 19,430.91
  4. Step 4: Simplify right side
    51,028.47x = 1,486,950,776.37
  5. Step 5: Solve for x
    x = 1,486,950,776.37/51,028.47
  6. Step 6: Final answer
    x = 29,139.63

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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.