Home / 47,023.72-70,533.66-19,321

Finding the Fourth Proportional to 47,023.72, 70,533.66 and 19,321

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Solution

The fourth proportional to 47,023.72, 70,533.66 and 19,321 is: 28,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023.72 : 70,533.66 = 19,321 : x
  2. Step 2: Convert to fraction form
    47,023.72/70,533.66 = 19,321/x
  3. Step 3: Cross multiply
    47,023.72x = 70,533.66 × 19,321
  4. Step 4: Simplify right side
    47,023.72x = 1,362,780,844.86
  5. Step 5: Solve for x
    x = 1,362,780,844.86/47,023.72
  6. Step 6: Final answer
    x = 28,980.71

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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.