Home / 47,982.40-71,973.60-42,150.40

Finding the Fourth Proportional to 47,982.40, 71,973.60 and 42,150.40

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Solution

The fourth proportional to 47,982.40, 71,973.60 and 42,150.40 is: 63,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.40 : 71,973.60 = 42,150.40 : x
  2. Step 2: Convert to fraction form
    47,982.40/71,973.60 = 42,150.40/x
  3. Step 3: Cross multiply
    47,982.40x = 71,973.60 × 42,150.40
  4. Step 4: Simplify right side
    47,982.40x = 3,033,716,029.44
  5. Step 5: Solve for x
    x = 3,033,716,029.44/47,982.40
  6. Step 6: Final answer
    x = 63,225.60

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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.