Home / 39,940.14-59,911.74-10,357.20

Finding the Fourth Proportional to 39,940.14, 59,911.74 and 10,357.20

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Solution

The fourth proportional to 39,940.14, 59,911.74 and 10,357.20 is: 15,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.14 : 59,911.74 = 10,357.20 : x
  2. Step 2: Convert to fraction form
    39,940.14/59,911.74 = 10,357.20/x
  3. Step 3: Cross multiply
    39,940.14x = 59,911.74 × 10,357.20
  4. Step 4: Simplify right side
    39,940.14x = 620,517,873.53
  5. Step 5: Solve for x
    x = 620,517,873.53/39,940.14
  6. Step 6: Final answer
    x = 15,536.20

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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.