Home / 53,389.70-80,113.10-34,665.34

Finding the Fourth Proportional to 53,389.70, 80,113.10 and 34,665.34

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Solution

The fourth proportional to 53,389.70, 80,113.10 and 34,665.34 is: 52,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.70 : 80,113.10 = 34,665.34 : x
  2. Step 2: Convert to fraction form
    53,389.70/80,113.10 = 34,665.34/x
  3. Step 3: Cross multiply
    53,389.70x = 80,113.10 × 34,665.34
  4. Step 4: Simplify right side
    53,389.70x = 2,777,147,849.95
  5. Step 5: Solve for x
    x = 2,777,147,849.95/53,389.70
  6. Step 6: Final answer
    x = 52,016.55

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1.5x scale

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.