Home / 56,142.90-84,215.70-16,701.30

Finding the Fourth Proportional to 56,142.90, 84,215.70 and 16,701.30

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Solution

The fourth proportional to 56,142.90, 84,215.70 and 16,701.30 is: 25,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,142.90 : 84,215.70 = 16,701.30 : x
  2. Step 2: Convert to fraction form
    56,142.90/84,215.70 = 16,701.30/x
  3. Step 3: Cross multiply
    56,142.90x = 84,215.70 × 16,701.30
  4. Step 4: Simplify right side
    56,142.90x = 1,406,511,670.41
  5. Step 5: Solve for x
    x = 1,406,511,670.41/56,142.90
  6. Step 6: Final answer
    x = 25,052.35

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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.