Home / 56,421.92-84,633.60-21,352.16

Finding the Fourth Proportional to 56,421.92, 84,633.60 and 21,352.16

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Solution

The fourth proportional to 56,421.92, 84,633.60 and 21,352.16 is: 32,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.92 : 84,633.60 = 21,352.16 : x
  2. Step 2: Convert to fraction form
    56,421.92/84,633.60 = 21,352.16/x
  3. Step 3: Cross multiply
    56,421.92x = 84,633.60 × 21,352.16
  4. Step 4: Simplify right side
    56,421.92x = 1,807,110,168.58
  5. Step 5: Solve for x
    x = 1,807,110,168.58/56,421.92
  6. Step 6: Final answer
    x = 32,028.51

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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.