Home / 56,451.34-84,647.04-18,998.92

Finding the Fourth Proportional to 56,451.34, 84,647.04 and 18,998.92

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Solution

The fourth proportional to 56,451.34, 84,647.04 and 18,998.92 is: 28,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.34 : 84,647.04 = 18,998.92 : x
  2. Step 2: Convert to fraction form
    56,451.34/84,647.04 = 18,998.92/x
  3. Step 3: Cross multiply
    56,451.34x = 84,647.04 × 18,998.92
  4. Step 4: Simplify right side
    56,451.34x = 1,608,202,341.20
  5. Step 5: Solve for x
    x = 1,608,202,341.20/56,451.34
  6. Step 6: Final answer
    x = 28,488.29

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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.