Home / 56,530.20-84,792.36-20,998.32

Finding the Fourth Proportional to 56,530.20, 84,792.36 and 20,998.32

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Solution

The fourth proportional to 56,530.20, 84,792.36 and 20,998.32 is: 31,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,530.20 : 84,792.36 = 20,998.32 : x
  2. Step 2: Convert to fraction form
    56,530.20/84,792.36 = 20,998.32/x
  3. Step 3: Cross multiply
    56,530.20x = 84,792.36 × 20,998.32
  4. Step 4: Simplify right side
    56,530.20x = 1,780,497,108.84
  5. Step 5: Solve for x
    x = 1,780,497,108.84/56,530.20
  6. Step 6: Final answer
    x = 31,496.39

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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.