Home / 31,915.86-44,043.90-17,772.06

Finding the Fourth Proportional to 31,915.86, 44,043.90 and 17,772.06

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Solution

The fourth proportional to 31,915.86, 44,043.90 and 17,772.06 is: 24,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915.86 : 44,043.90 = 17,772.06 : x
  2. Step 2: Convert to fraction form
    31,915.86/44,043.90 = 17,772.06/x
  3. Step 3: Cross multiply
    31,915.86x = 44,043.90 × 17,772.06
  4. Step 4: Simplify right side
    31,915.86x = 782,750,833.43
  5. Step 5: Solve for x
    x = 782,750,833.43/31,915.86
  6. Step 6: Final answer
    x = 24,525.45

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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.