Home / 53,145.63-79,723.04-13,702.41

Finding the Fourth Proportional to 53,145.63, 79,723.04 and 13,702.41

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Solution

The fourth proportional to 53,145.63, 79,723.04 and 13,702.41 is: 20,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145.63 : 79,723.04 = 13,702.41 : x
  2. Step 2: Convert to fraction form
    53,145.63/79,723.04 = 13,702.41/x
  3. Step 3: Cross multiply
    53,145.63x = 79,723.04 × 13,702.41
  4. Step 4: Simplify right side
    53,145.63x = 1,092,397,712.01
  5. Step 5: Solve for x
    x = 1,092,397,712.01/53,145.63
  6. Step 6: Final answer
    x = 20,554.80

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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.