Home / 43,360.02-65,038.55-18,383.99

Finding the Fourth Proportional to 43,360.02, 65,038.55 and 18,383.99

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Solution

The fourth proportional to 43,360.02, 65,038.55 and 18,383.99 is: 27,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.02 : 65,038.55 = 18,383.99 : x
  2. Step 2: Convert to fraction form
    43,360.02/65,038.55 = 18,383.99/x
  3. Step 3: Cross multiply
    43,360.02x = 65,038.55 × 18,383.99
  4. Step 4: Simplify right side
    43,360.02x = 1,195,667,635.70
  5. Step 5: Solve for x
    x = 1,195,667,635.70/43,360.02
  6. Step 6: Final answer
    x = 27,575.35

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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.