Home / 39,457.22-54,451.96-21,552.02

Finding the Fourth Proportional to 39,457.22, 54,451.96 and 21,552.02

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Solution

The fourth proportional to 39,457.22, 54,451.96 and 21,552.02 is: 29,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.22 : 54,451.96 = 21,552.02 : x
  2. Step 2: Convert to fraction form
    39,457.22/54,451.96 = 21,552.02/x
  3. Step 3: Cross multiply
    39,457.22x = 54,451.96 × 21,552.02
  4. Step 4: Simplify right side
    39,457.22x = 1,173,549,730.96
  5. Step 5: Solve for x
    x = 1,173,549,730.96/39,457.22
  6. Step 6: Final answer
    x = 29,742.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.