Home / 39,085.61-58,661.21-16,915.91

Finding the Fourth Proportional to 39,085.61, 58,661.21 and 16,915.91

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Solution

The fourth proportional to 39,085.61, 58,661.21 and 16,915.91 is: 25,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.61 : 58,661.21 = 16,915.91 : x
  2. Step 2: Convert to fraction form
    39,085.61/58,661.21 = 16,915.91/x
  3. Step 3: Cross multiply
    39,085.61x = 58,661.21 × 16,915.91
  4. Step 4: Simplify right side
    39,085.61x = 992,307,497.83
  5. Step 5: Solve for x
    x = 992,307,497.83/39,085.61
  6. Step 6: Final answer
    x = 25,388.06

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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.