Home / 38,017.58-52,459.68-21,019.53

Finding the Fourth Proportional to 38,017.58, 52,459.68 and 21,019.53

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Solution

The fourth proportional to 38,017.58, 52,459.68 and 21,019.53 is: 29,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.58 : 52,459.68 = 21,019.53 : x
  2. Step 2: Convert to fraction form
    38,017.58/52,459.68 = 21,019.53/x
  3. Step 3: Cross multiply
    38,017.58x = 52,459.68 × 21,019.53
  4. Step 4: Simplify right side
    38,017.58x = 1,102,677,817.55
  5. Step 5: Solve for x
    x = 1,102,677,817.55/38,017.58
  6. Step 6: Final answer
    x = 29,004.42

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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.