Home / 57,460.32-86,169.14-20,010.78

Finding the Fourth Proportional to 57,460.32, 86,169.14 and 20,010.78

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Solution

The fourth proportional to 57,460.32, 86,169.14 and 20,010.78 is: 30,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,460.32 : 86,169.14 = 20,010.78 : x
  2. Step 2: Convert to fraction form
    57,460.32/86,169.14 = 20,010.78/x
  3. Step 3: Cross multiply
    57,460.32x = 86,169.14 × 20,010.78
  4. Step 4: Simplify right side
    57,460.32x = 1,724,311,703.33
  5. Step 5: Solve for x
    x = 1,724,311,703.33/57,460.32
  6. Step 6: Final answer
    x = 30,008.74

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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.