Home / 56,226.89-84,312.36-18,774.11

Finding the Fourth Proportional to 56,226.89, 84,312.36 and 18,774.11

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Solution

The fourth proportional to 56,226.89, 84,312.36 and 18,774.11 is: 28,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,226.89 : 84,312.36 = 18,774.11 : x
  2. Step 2: Convert to fraction form
    56,226.89/84,312.36 = 18,774.11/x
  3. Step 3: Cross multiply
    56,226.89x = 84,312.36 × 18,774.11
  4. Step 4: Simplify right side
    56,226.89x = 1,582,889,731.78
  5. Step 5: Solve for x
    x = 1,582,889,731.78/56,226.89
  6. Step 6: Final answer
    x = 28,151.83

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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.