Home / 51,503.42-77,289.75-18,223.35

Finding the Fourth Proportional to 51,503.42, 77,289.75 and 18,223.35

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Solution

The fourth proportional to 51,503.42, 77,289.75 and 18,223.35 is: 27,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.42 : 77,289.75 = 18,223.35 : x
  2. Step 2: Convert to fraction form
    51,503.42/77,289.75 = 18,223.35/x
  3. Step 3: Cross multiply
    51,503.42x = 77,289.75 × 18,223.35
  4. Step 4: Simplify right side
    51,503.42x = 1,408,478,165.66
  5. Step 5: Solve for x
    x = 1,408,478,165.66/51,503.42
  6. Step 6: Final answer
    x = 27,347.28

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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.