Home / 35,679.90-53,519.85-10,723.80

Finding the Fourth Proportional to 35,679.90, 53,519.85 and 10,723.80

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Solution

The fourth proportional to 35,679.90, 53,519.85 and 10,723.80 is: 16,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.90 : 53,519.85 = 10,723.80 : x
  2. Step 2: Convert to fraction form
    35,679.90/53,519.85 = 10,723.80/x
  3. Step 3: Cross multiply
    35,679.90x = 53,519.85 × 10,723.80
  4. Step 4: Simplify right side
    35,679.90x = 573,936,167.43
  5. Step 5: Solve for x
    x = 573,936,167.43/35,679.90
  6. Step 6: Final answer
    x = 16,085.70

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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.