Home / 53,069.72-79,538.97-26,781.98

Finding the Fourth Proportional to 53,069.72, 79,538.97 and 26,781.98

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Solution

The fourth proportional to 53,069.72, 79,538.97 and 26,781.98 is: 40,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,069.72 : 79,538.97 = 26,781.98 : x
  2. Step 2: Convert to fraction form
    53,069.72/79,538.97 = 26,781.98/x
  3. Step 3: Cross multiply
    53,069.72x = 79,538.97 × 26,781.98
  4. Step 4: Simplify right side
    53,069.72x = 2,130,211,103.76
  5. Step 5: Solve for x
    x = 2,130,211,103.76/53,069.72
  6. Step 6: Final answer
    x = 40,139.86

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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.