Home / 56,112.18-84,182.00-18,672.18

Finding the Fourth Proportional to 56,112.18, 84,182.00 and 18,672.18

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Solution

The fourth proportional to 56,112.18, 84,182.00 and 18,672.18 is: 28,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,112.18 : 84,182.00 = 18,672.18 : x
  2. Step 2: Convert to fraction form
    56,112.18/84,182.00 = 18,672.18/x
  3. Step 3: Cross multiply
    56,112.18x = 84,182.00 × 18,672.18
  4. Step 4: Simplify right side
    56,112.18x = 1,571,861,363.40
  5. Step 5: Solve for x
    x = 1,571,861,363.40/56,112.18
  6. Step 6: Final answer
    x = 28,012.84

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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.