Home / 39,718.89-59,578.28-10,136.72

Finding the Fourth Proportional to 39,718.89, 59,578.28 and 10,136.72

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Solution

The fourth proportional to 39,718.89, 59,578.28 and 10,136.72 is: 15,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718.89 : 59,578.28 = 10,136.72 : x
  2. Step 2: Convert to fraction form
    39,718.89/59,578.28 = 10,136.72/x
  3. Step 3: Cross multiply
    39,718.89x = 59,578.28 × 10,136.72
  4. Step 4: Simplify right side
    39,718.89x = 603,928,378.90
  5. Step 5: Solve for x
    x = 603,928,378.90/39,718.89
  6. Step 6: Final answer
    x = 15,205.07

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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.