Home / 39,572.07-54,607.10-21,667.11

Finding the Fourth Proportional to 39,572.07, 54,607.10 and 21,667.11

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Solution

The fourth proportional to 39,572.07, 54,607.10 and 21,667.11 is: 29,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.07 : 54,607.10 = 21,667.11 : x
  2. Step 2: Convert to fraction form
    39,572.07/54,607.10 = 21,667.11/x
  3. Step 3: Cross multiply
    39,572.07x = 54,607.10 × 21,667.11
  4. Step 4: Simplify right side
    39,572.07x = 1,183,177,934.15
  5. Step 5: Solve for x
    x = 1,183,177,934.15/39,572.07
  6. Step 6: Final answer
    x = 29,899.32

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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.