Home / 38,074.81-52,544.96-21,307.81

Finding the Fourth Proportional to 38,074.81, 52,544.96 and 21,307.81

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Solution

The fourth proportional to 38,074.81, 52,544.96 and 21,307.81 is: 29,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.81 : 52,544.96 = 21,307.81 : x
  2. Step 2: Convert to fraction form
    38,074.81/52,544.96 = 21,307.81/x
  3. Step 3: Cross multiply
    38,074.81x = 52,544.96 × 21,307.81
  4. Step 4: Simplify right side
    38,074.81x = 1,119,618,024.14
  5. Step 5: Solve for x
    x = 1,119,618,024.14/38,074.81
  6. Step 6: Final answer
    x = 29,405.74

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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.