Home / 56,210.96-84,308.75-18,770.23

Finding the Fourth Proportional to 56,210.96, 84,308.75 and 18,770.23

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Solution

The fourth proportional to 56,210.96, 84,308.75 and 18,770.23 is: 28,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.96 : 84,308.75 = 18,770.23 : x
  2. Step 2: Convert to fraction form
    56,210.96/84,308.75 = 18,770.23/x
  3. Step 3: Cross multiply
    56,210.96x = 84,308.75 × 18,770.23
  4. Step 4: Simplify right side
    56,210.96x = 1,582,494,710.44
  5. Step 5: Solve for x
    x = 1,582,494,710.44/56,210.96
  6. Step 6: Final answer
    x = 28,152.78

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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.