Home / 39,937.61-59,915.63-11,857.04

Finding the Fourth Proportional to 39,937.61, 59,915.63 and 11,857.04

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Solution

The fourth proportional to 39,937.61, 59,915.63 and 11,857.04 is: 17,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.61 : 59,915.63 = 11,857.04 : x
  2. Step 2: Convert to fraction form
    39,937.61/59,915.63 = 11,857.04/x
  3. Step 3: Cross multiply
    39,937.61x = 59,915.63 × 11,857.04
  4. Step 4: Simplify right side
    39,937.61x = 710,421,751.60
  5. Step 5: Solve for x
    x = 710,421,751.60/39,937.61
  6. Step 6: Final answer
    x = 17,788.29

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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.