Home / 39,567.30-54,602.51-21,662.15

Finding the Fourth Proportional to 39,567.30, 54,602.51 and 21,662.15

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Solution

The fourth proportional to 39,567.30, 54,602.51 and 21,662.15 is: 29,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.30 : 54,602.51 = 21,662.15 : x
  2. Step 2: Convert to fraction form
    39,567.30/54,602.51 = 21,662.15/x
  3. Step 3: Cross multiply
    39,567.30x = 54,602.51 × 21,662.15
  4. Step 4: Simplify right side
    39,567.30x = 1,182,807,380.67
  5. Step 5: Solve for x
    x = 1,182,807,380.67/39,567.30
  6. Step 6: Final answer
    x = 29,893.56

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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.