Home / 47,376.18-71,022.44-19,319.70

Finding the Fourth Proportional to 47,376.18, 71,022.44 and 19,319.70

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Solution

The fourth proportional to 47,376.18, 71,022.44 and 19,319.70 is: 28,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,376.18 : 71,022.44 = 19,319.70 : x
  2. Step 2: Convert to fraction form
    47,376.18/71,022.44 = 19,319.70/x
  3. Step 3: Cross multiply
    47,376.18x = 71,022.44 × 19,319.70
  4. Step 4: Simplify right side
    47,376.18x = 1,372,132,234.07
  5. Step 5: Solve for x
    x = 1,372,132,234.07/47,376.18
  6. Step 6: Final answer
    x = 28,962.49

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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.