Home / 47,230.36-70,844.40-19,142.91

Finding the Fourth Proportional to 47,230.36, 70,844.40 and 19,142.91

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Solution

The fourth proportional to 47,230.36, 70,844.40 and 19,142.91 is: 28,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,230.36 : 70,844.40 = 19,142.91 : x
  2. Step 2: Convert to fraction form
    47,230.36/70,844.40 = 19,142.91/x
  3. Step 3: Cross multiply
    47,230.36x = 70,844.40 × 19,142.91
  4. Step 4: Simplify right side
    47,230.36x = 1,356,167,973.20
  5. Step 5: Solve for x
    x = 1,356,167,973.20/47,230.36
  6. Step 6: Final answer
    x = 28,713.90

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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.