Home / 31,915.15-47,789.09-22,504.20

Finding the Fourth Proportional to 31,915.15, 47,789.09 and 22,504.20

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Solution

The fourth proportional to 31,915.15, 47,789.09 and 22,504.20 is: 33,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.15 : 47,789.09 = 22,504.20 : x
  2. Step 2: Convert to fraction form
    31,915.15/47,789.09 = 22,504.20/x
  3. Step 3: Cross multiply
    31,915.15x = 47,789.09 × 22,504.20
  4. Step 4: Simplify right side
    31,915.15x = 1,075,455,031.84
  5. Step 5: Solve for x
    x = 1,075,455,031.84/31,915.15
  6. Step 6: Final answer
    x = 33,697.32

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1.5x scale

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.