Home / 39,719.05-59,578.53-10,136.89

Finding the Fourth Proportional to 39,719.05, 59,578.53 and 10,136.89

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Solution

The fourth proportional to 39,719.05, 59,578.53 and 10,136.89 is: 15,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.05 : 59,578.53 = 10,136.89 : x
  2. Step 2: Convert to fraction form
    39,719.05/59,578.53 = 10,136.89/x
  3. Step 3: Cross multiply
    39,719.05x = 59,578.53 × 10,136.89
  4. Step 4: Simplify right side
    39,719.05x = 603,941,004.97
  5. Step 5: Solve for x
    x = 603,941,004.97/39,719.05
  6. Step 6: Final answer
    x = 15,205.32

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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.