Home / 43,358.76-65,037.23-19,985.20

Finding the Fourth Proportional to 43,358.76, 65,037.23 and 19,985.20

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Solution

The fourth proportional to 43,358.76, 65,037.23 and 19,985.20 is: 29,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.76 : 65,037.23 = 19,985.20 : x
  2. Step 2: Convert to fraction form
    43,358.76/65,037.23 = 19,985.20/x
  3. Step 3: Cross multiply
    43,358.76x = 65,037.23 × 19,985.20
  4. Step 4: Simplify right side
    43,358.76x = 1,299,781,786.48
  5. Step 5: Solve for x
    x = 1,299,781,786.48/43,358.76
  6. Step 6: Final answer
    x = 29,977.37

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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.