Home / 39,654.64-59,418.72-20,933.92

Finding the Fourth Proportional to 39,654.64, 59,418.72 and 20,933.92

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Solution

The fourth proportional to 39,654.64, 59,418.72 and 20,933.92 is: 31,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,654.64 : 59,418.72 = 20,933.92 : x
  2. Step 2: Convert to fraction form
    39,654.64/59,418.72 = 20,933.92/x
  3. Step 3: Cross multiply
    39,654.64x = 59,418.72 × 20,933.92
  4. Step 4: Simplify right side
    39,654.64x = 1,243,866,730.98
  5. Step 5: Solve for x
    x = 1,243,866,730.98/39,654.64
  6. Step 6: Final answer
    x = 31,367.50

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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.