Home / 51,014.36-70,401.30-30,874.88

Finding the Fourth Proportional to 51,014.36, 70,401.30 and 30,874.88

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Solution

The fourth proportional to 51,014.36, 70,401.30 and 30,874.88 is: 42,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.36 : 70,401.30 = 30,874.88 : x
  2. Step 2: Convert to fraction form
    51,014.36/70,401.30 = 30,874.88/x
  3. Step 3: Cross multiply
    51,014.36x = 70,401.30 × 30,874.88
  4. Step 4: Simplify right side
    51,014.36x = 2,173,631,689.34
  5. Step 5: Solve for x
    x = 2,173,631,689.34/51,014.36
  6. Step 6: Final answer
    x = 42,608.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.