Home / 34,680.36-47,858.76-18,764.76

Finding the Fourth Proportional to 34,680.36, 47,858.76 and 18,764.76

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Solution

The fourth proportional to 34,680.36, 47,858.76 and 18,764.76 is: 25,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.36 : 47,858.76 = 18,764.76 : x
  2. Step 2: Convert to fraction form
    34,680.36/47,858.76 = 18,764.76/x
  3. Step 3: Cross multiply
    34,680.36x = 47,858.76 × 18,764.76
  4. Step 4: Simplify right side
    34,680.36x = 898,058,145.30
  5. Step 5: Solve for x
    x = 898,058,145.30/34,680.36
  6. Step 6: Final answer
    x = 25,895.29

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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.