Home / 38,243.20-57,364.80-10,541.20

Finding the Fourth Proportional to 38,243.20, 57,364.80 and 10,541.20

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Solution

The fourth proportional to 38,243.20, 57,364.80 and 10,541.20 is: 15,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,243.20 : 57,364.80 = 10,541.20 : x
  2. Step 2: Convert to fraction form
    38,243.20/57,364.80 = 10,541.20/x
  3. Step 3: Cross multiply
    38,243.20x = 57,364.80 × 10,541.20
  4. Step 4: Simplify right side
    38,243.20x = 604,693,829.76
  5. Step 5: Solve for x
    x = 604,693,829.76/38,243.20
  6. Step 6: Final answer
    x = 15,811.80

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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.