Home / 51,309.89-70,819.45-30,095.99

Finding the Fourth Proportional to 51,309.89, 70,819.45 and 30,095.99

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Solution

The fourth proportional to 51,309.89, 70,819.45 and 30,095.99 is: 41,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.89 : 70,819.45 = 30,095.99 : x
  2. Step 2: Convert to fraction form
    51,309.89/70,819.45 = 30,095.99/x
  3. Step 3: Cross multiply
    51,309.89x = 70,819.45 × 30,095.99
  4. Step 4: Simplify right side
    51,309.89x = 2,131,381,459.01
  5. Step 5: Solve for x
    x = 2,131,381,459.01/51,309.89
  6. Step 6: Final answer
    x = 41,539.39

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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.