Home / 56,855.90-85,284.12-17,412.98

Finding the Fourth Proportional to 56,855.90, 85,284.12 and 17,412.98

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Solution

The fourth proportional to 56,855.90, 85,284.12 and 17,412.98 is: 26,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,855.90 : 85,284.12 = 17,412.98 : x
  2. Step 2: Convert to fraction form
    56,855.90/85,284.12 = 17,412.98/x
  3. Step 3: Cross multiply
    56,855.90x = 85,284.12 × 17,412.98
  4. Step 4: Simplify right side
    56,855.90x = 1,485,050,675.88
  5. Step 5: Solve for x
    x = 1,485,050,675.88/56,855.90
  6. Step 6: Final answer
    x = 26,119.55

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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.