Home / 34,876.05-48,128.42-18,960.36

Finding the Fourth Proportional to 34,876.05, 48,128.42 and 18,960.36

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Solution

The fourth proportional to 34,876.05, 48,128.42 and 18,960.36 is: 26,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.05 : 48,128.42 = 18,960.36 : x
  2. Step 2: Convert to fraction form
    34,876.05/48,128.42 = 18,960.36/x
  3. Step 3: Cross multiply
    34,876.05x = 48,128.42 × 18,960.36
  4. Step 4: Simplify right side
    34,876.05x = 912,532,074.63
  5. Step 5: Solve for x
    x = 912,532,074.63/34,876.05
  6. Step 6: Final answer
    x = 26,165.01

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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.