Home / 38,438.58-57,663.90-10,359.74

Finding the Fourth Proportional to 38,438.58, 57,663.90 and 10,359.74

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Solution

The fourth proportional to 38,438.58, 57,663.90 and 10,359.74 is: 15,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.58 : 57,663.90 = 10,359.74 : x
  2. Step 2: Convert to fraction form
    38,438.58/57,663.90 = 10,359.74/x
  3. Step 3: Cross multiply
    38,438.58x = 57,663.90 × 10,359.74
  4. Step 4: Simplify right side
    38,438.58x = 597,382,723.07
  5. Step 5: Solve for x
    x = 597,382,723.07/38,438.58
  6. Step 6: Final answer
    x = 15,541.23

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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.