Home / 38,074.88-52,543.04-21,308.16

Finding the Fourth Proportional to 38,074.88, 52,543.04 and 21,308.16

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Solution

The fourth proportional to 38,074.88, 52,543.04 and 21,308.16 is: 29,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.88 : 52,543.04 = 21,308.16 : x
  2. Step 2: Convert to fraction form
    38,074.88/52,543.04 = 21,308.16/x
  3. Step 3: Cross multiply
    38,074.88x = 52,543.04 × 21,308.16
  4. Step 4: Simplify right side
    38,074.88x = 1,119,595,503.21
  5. Step 5: Solve for x
    x = 1,119,595,503.21/38,074.88
  6. Step 6: Final answer
    x = 29,405.10

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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.