Home / 53,122.94-79,693.06-15,686.80

Finding the Fourth Proportional to 53,122.94, 79,693.06 and 15,686.80

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Solution

The fourth proportional to 53,122.94, 79,693.06 and 15,686.80 is: 23,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.94 : 79,693.06 = 15,686.80 : x
  2. Step 2: Convert to fraction form
    53,122.94/79,693.06 = 15,686.80/x
  3. Step 3: Cross multiply
    53,122.94x = 79,693.06 × 15,686.80
  4. Step 4: Simplify right side
    53,122.94x = 1,250,129,093.61
  5. Step 5: Solve for x
    x = 1,250,129,093.61/53,122.94
  6. Step 6: Final answer
    x = 23,532.75

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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.