Home / 31,915.01-44,037.27-18,487.44

Finding the Fourth Proportional to 31,915.01, 44,037.27 and 18,487.44

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Solution

The fourth proportional to 31,915.01, 44,037.27 and 18,487.44 is: 25,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.01 : 44,037.27 = 18,487.44 : x
  2. Step 2: Convert to fraction form
    31,915.01/44,037.27 = 18,487.44/x
  3. Step 3: Cross multiply
    31,915.01x = 44,037.27 × 18,487.44
  4. Step 4: Simplify right side
    31,915.01x = 814,136,386.89
  5. Step 5: Solve for x
    x = 814,136,386.89/31,915.01
  6. Step 6: Final answer
    x = 25,509.51

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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.