Home / 34,745.80-47,948.64-18,829.96

Finding the Fourth Proportional to 34,745.80, 47,948.64 and 18,829.96

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Solution

The fourth proportional to 34,745.80, 47,948.64 and 18,829.96 is: 25,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,745.80 : 47,948.64 = 18,829.96 : x
  2. Step 2: Convert to fraction form
    34,745.80/47,948.64 = 18,829.96/x
  3. Step 3: Cross multiply
    34,745.80x = 47,948.64 × 18,829.96
  4. Step 4: Simplify right side
    34,745.80x = 902,870,973.25
  5. Step 5: Solve for x
    x = 902,870,973.25/34,745.80
  6. Step 6: Final answer
    x = 25,985.04

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1.5x scale

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.