Home / 38,178.75-52,685.69-21,182.93

Finding the Fourth Proportional to 38,178.75, 52,685.69 and 21,182.93

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Solution

The fourth proportional to 38,178.75, 52,685.69 and 21,182.93 is: 29,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.75 : 52,685.69 = 21,182.93 : x
  2. Step 2: Convert to fraction form
    38,178.75/52,685.69 = 21,182.93/x
  3. Step 3: Cross multiply
    38,178.75x = 52,685.69 × 21,182.93
  4. Step 4: Simplify right side
    38,178.75x = 1,116,037,283.27
  5. Step 5: Solve for x
    x = 1,116,037,283.27/38,178.75
  6. Step 6: Final answer
    x = 29,231.90

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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.