Home / 38,703.22-53,412.59-29,125.88

Finding the Fourth Proportional to 38,703.22, 53,412.59 and 29,125.88

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Solution

The fourth proportional to 38,703.22, 53,412.59 and 29,125.88 is: 40,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703.22 : 53,412.59 = 29,125.88 : x
  2. Step 2: Convert to fraction form
    38,703.22/53,412.59 = 29,125.88/x
  3. Step 3: Cross multiply
    38,703.22x = 53,412.59 × 29,125.88
  4. Step 4: Simplify right side
    38,703.22x = 1,555,688,492.58
  5. Step 5: Solve for x
    x = 1,555,688,492.58/38,703.22
  6. Step 6: Final answer
    x = 40,195.33

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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.