Home / 38,373.60-52,955.52-21,606.72

Finding the Fourth Proportional to 38,373.60, 52,955.52 and 21,606.72

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Solution

The fourth proportional to 38,373.60, 52,955.52 and 21,606.72 is: 29,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.60 : 52,955.52 = 21,606.72 : x
  2. Step 2: Convert to fraction form
    38,373.60/52,955.52 = 21,606.72/x
  3. Step 3: Cross multiply
    38,373.60x = 52,955.52 × 21,606.72
  4. Step 4: Simplify right side
    38,373.60x = 1,144,195,093.09
  5. Step 5: Solve for x
    x = 1,144,195,093.09/38,373.60
  6. Step 6: Final answer
    x = 29,817.25

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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.