Home / 51,184.36-76,859.88-31,587.49

Finding the Fourth Proportional to 51,184.36, 76,859.88 and 31,587.49

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Solution

The fourth proportional to 51,184.36, 76,859.88 and 31,587.49 is: 47,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.36 : 76,859.88 = 31,587.49 : x
  2. Step 2: Convert to fraction form
    51,184.36/76,859.88 = 31,587.49/x
  3. Step 3: Cross multiply
    51,184.36x = 76,859.88 × 31,587.49
  4. Step 4: Simplify right side
    51,184.36x = 2,427,810,690.90
  5. Step 5: Solve for x
    x = 2,427,810,690.90/51,184.36
  6. Step 6: Final answer
    x = 47,432.67

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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.