Home / 47,140.24-70,698.73-28,170.31

Finding the Fourth Proportional to 47,140.24, 70,698.73 and 28,170.31

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Solution

The fourth proportional to 47,140.24, 70,698.73 and 28,170.31 is: 42,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.24 : 70,698.73 = 28,170.31 : x
  2. Step 2: Convert to fraction form
    47,140.24/70,698.73 = 28,170.31/x
  3. Step 3: Cross multiply
    47,140.24x = 70,698.73 × 28,170.31
  4. Step 4: Simplify right side
    47,140.24x = 1,991,605,140.71
  5. Step 5: Solve for x
    x = 1,991,605,140.71/47,140.24
  6. Step 6: Final answer
    x = 42,248.52

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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.