Home / 39,826.34-59,730.60-11,740.40

Finding the Fourth Proportional to 39,826.34, 59,730.60 and 11,740.40

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Solution

The fourth proportional to 39,826.34, 59,730.60 and 11,740.40 is: 17,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,826.34 : 59,730.60 = 11,740.40 : x
  2. Step 2: Convert to fraction form
    39,826.34/59,730.60 = 11,740.40/x
  3. Step 3: Cross multiply
    39,826.34x = 59,730.60 × 11,740.40
  4. Step 4: Simplify right side
    39,826.34x = 701,261,136.24
  5. Step 5: Solve for x
    x = 701,261,136.24/39,826.34
  6. Step 6: Final answer
    x = 17,607.97

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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.