Home / 39,541.01-54,567.90-21,635.62

Finding the Fourth Proportional to 39,541.01, 54,567.90 and 21,635.62

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Solution

The fourth proportional to 39,541.01, 54,567.90 and 21,635.62 is: 29,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.01 : 54,567.90 = 21,635.62 : x
  2. Step 2: Convert to fraction form
    39,541.01/54,567.90 = 21,635.62/x
  3. Step 3: Cross multiply
    39,541.01x = 54,567.90 × 21,635.62
  4. Step 4: Simplify right side
    39,541.01x = 1,180,610,212.18
  5. Step 5: Solve for x
    x = 1,180,610,212.18/39,541.01
  6. Step 6: Final answer
    x = 29,857.87

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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.