Home / 47,589.04-71,392.57-19,128.21

Finding the Fourth Proportional to 47,589.04, 71,392.57 and 19,128.21

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Solution

The fourth proportional to 47,589.04, 71,392.57 and 19,128.21 is: 28,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.04 : 71,392.57 = 19,128.21 : x
  2. Step 2: Convert to fraction form
    47,589.04/71,392.57 = 19,128.21/x
  3. Step 3: Cross multiply
    47,589.04x = 71,392.57 × 19,128.21
  4. Step 4: Simplify right side
    47,589.04x = 1,365,612,265.04
  5. Step 5: Solve for x
    x = 1,365,612,265.04/47,589.04
  6. Step 6: Final answer
    x = 28,695.94

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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.