Home / 39,457.26-54,450.12-21,552.35

Finding the Fourth Proportional to 39,457.26, 54,450.12 and 21,552.35

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Solution

The fourth proportional to 39,457.26, 54,450.12 and 21,552.35 is: 29,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.26 : 54,450.12 = 21,552.35 : x
  2. Step 2: Convert to fraction form
    39,457.26/54,450.12 = 21,552.35/x
  3. Step 3: Cross multiply
    39,457.26x = 54,450.12 × 21,552.35
  4. Step 4: Simplify right side
    39,457.26x = 1,173,527,852.35
  5. Step 5: Solve for x
    x = 1,173,527,852.35/39,457.26
  6. Step 6: Final answer
    x = 29,741.75

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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.