Home / 47,815.93-65,948.90-30,822.94

Finding the Fourth Proportional to 47,815.93, 65,948.90 and 30,822.94

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Solution

The fourth proportional to 47,815.93, 65,948.90 and 30,822.94 is: 42,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.93 : 65,948.90 = 30,822.94 : x
  2. Step 2: Convert to fraction form
    47,815.93/65,948.90 = 30,822.94/x
  3. Step 3: Cross multiply
    47,815.93x = 65,948.90 × 30,822.94
  4. Step 4: Simplify right side
    47,815.93x = 2,032,738,987.77
  5. Step 5: Solve for x
    x = 2,032,738,987.77/47,815.93
  6. Step 6: Final answer
    x = 42,511.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.