Home / 39,457.53-54,451.34-21,552.54

Finding the Fourth Proportional to 39,457.53, 54,451.34 and 21,552.54

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Solution

The fourth proportional to 39,457.53, 54,451.34 and 21,552.54 is: 29,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.53 : 54,451.34 = 21,552.54 : x
  2. Step 2: Convert to fraction form
    39,457.53/54,451.34 = 21,552.54/x
  3. Step 3: Cross multiply
    39,457.53x = 54,451.34 × 21,552.54
  4. Step 4: Simplify right side
    39,457.53x = 1,173,564,683.40
  5. Step 5: Solve for x
    x = 1,173,564,683.40/39,457.53
  6. Step 6: Final answer
    x = 29,742.48

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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.