Home / 51,298.19-76,943.44-18,018.55

Finding the Fourth Proportional to 51,298.19, 76,943.44 and 18,018.55

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Solution

The fourth proportional to 51,298.19, 76,943.44 and 18,018.55 is: 27,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.19 : 76,943.44 = 18,018.55 : x
  2. Step 2: Convert to fraction form
    51,298.19/76,943.44 = 18,018.55/x
  3. Step 3: Cross multiply
    51,298.19x = 76,943.44 × 18,018.55
  4. Step 4: Simplify right side
    51,298.19x = 1,386,409,220.81
  5. Step 5: Solve for x
    x = 1,386,409,220.81/51,298.19
  6. Step 6: Final answer
    x = 27,026.47

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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.