Home / 38,205.60-57,322.80-18,501.36

Finding the Fourth Proportional to 38,205.60, 57,322.80 and 18,501.36

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Solution

The fourth proportional to 38,205.60, 57,322.80 and 18,501.36 is: 27,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.60 : 57,322.80 = 18,501.36 : x
  2. Step 2: Convert to fraction form
    38,205.60/57,322.80 = 18,501.36/x
  3. Step 3: Cross multiply
    38,205.60x = 57,322.80 × 18,501.36
  4. Step 4: Simplify right side
    38,205.60x = 1,060,549,759.01
  5. Step 5: Solve for x
    x = 1,060,549,759.01/38,205.60
  6. Step 6: Final answer
    x = 27,759.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.