Home / 39,638.10-54,668.80-34,847.86

Finding the Fourth Proportional to 39,638.10, 54,668.80 and 34,847.86

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Solution

The fourth proportional to 39,638.10, 54,668.80 and 34,847.86 is: 48,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.10 : 54,668.80 = 34,847.86 : x
  2. Step 2: Convert to fraction form
    39,638.10/54,668.80 = 34,847.86/x
  3. Step 3: Cross multiply
    39,638.10x = 54,668.80 × 34,847.86
  4. Step 4: Simplify right side
    39,638.10x = 1,905,090,688.77
  5. Step 5: Solve for x
    x = 1,905,090,688.77/39,638.10
  6. Step 6: Final answer
    x = 48,062.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.