Home / 39,570.96-54,607.96-21,667.12

Finding the Fourth Proportional to 39,570.96, 54,607.96 and 21,667.12

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Solution

The fourth proportional to 39,570.96, 54,607.96 and 21,667.12 is: 29,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.96 : 54,607.96 = 21,667.12 : x
  2. Step 2: Convert to fraction form
    39,570.96/54,607.96 = 21,667.12/x
  3. Step 3: Cross multiply
    39,570.96x = 54,607.96 × 21,667.12
  4. Step 4: Simplify right side
    39,570.96x = 1,183,197,222.28
  5. Step 5: Solve for x
    x = 1,183,197,222.28/39,570.96
  6. Step 6: Final answer
    x = 29,900.64

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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.