Home / 29,070.80-43,638.60-15,948.80

Finding the Fourth Proportional to 29,070.80, 43,638.60 and 15,948.80

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Solution

The fourth proportional to 29,070.80, 43,638.60 and 15,948.80 is: 23,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,070.80 : 43,638.60 = 15,948.80 : x
  2. Step 2: Convert to fraction form
    29,070.80/43,638.60 = 15,948.80/x
  3. Step 3: Cross multiply
    29,070.80x = 43,638.60 × 15,948.80
  4. Step 4: Simplify right side
    29,070.80x = 695,983,303.68
  5. Step 5: Solve for x
    x = 695,983,303.68/29,070.80
  6. Step 6: Final answer
    x = 23,940.98

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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.