Home / 51,219.68-70,677.99-28,556.54

Finding the Fourth Proportional to 51,219.68, 70,677.99 and 28,556.54

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Solution

The fourth proportional to 51,219.68, 70,677.99 and 28,556.54 is: 39,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.68 : 70,677.99 = 28,556.54 : x
  2. Step 2: Convert to fraction form
    51,219.68/70,677.99 = 28,556.54/x
  3. Step 3: Cross multiply
    51,219.68x = 70,677.99 × 28,556.54
  4. Step 4: Simplify right side
    51,219.68x = 2,018,318,495.16
  5. Step 5: Solve for x
    x = 2,018,318,495.16/51,219.68
  6. Step 6: Final answer
    x = 39,405.14

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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.