Home / 56,451.37-84,682.35-20,436.83

Finding the Fourth Proportional to 56,451.37, 84,682.35 and 20,436.83

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Solution

The fourth proportional to 56,451.37, 84,682.35 and 20,436.83 is: 30,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,451.37 : 84,682.35 = 20,436.83 : x
  2. Step 2: Convert to fraction form
    56,451.37/84,682.35 = 20,436.83/x
  3. Step 3: Cross multiply
    56,451.37x = 84,682.35 × 20,436.83
  4. Step 4: Simplify right side
    56,451.37x = 1,730,638,894.53
  5. Step 5: Solve for x
    x = 1,730,638,894.53/56,451.37
  6. Step 6: Final answer
    x = 30,657.16

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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.