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Finding the Fourth Proportional to 53,000.58, 79,515.22 and 17,940.23

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Solution

The fourth proportional to 53,000.58, 79,515.22 and 17,940.23 is: 26,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.58 : 79,515.22 = 17,940.23 : x
  2. Step 2: Convert to fraction form
    53,000.58/79,515.22 = 17,940.23/x
  3. Step 3: Cross multiply
    53,000.58x = 79,515.22 × 17,940.23
  4. Step 4: Simplify right side
    53,000.58x = 1,426,521,671.97
  5. Step 5: Solve for x
    x = 1,426,521,671.97/53,000.58
  6. Step 6: Final answer
    x = 26,915.21

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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.