Home / 38,538.41-53,208.38-25,807.91

Finding the Fourth Proportional to 38,538.41, 53,208.38 and 25,807.91

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Solution

The fourth proportional to 38,538.41, 53,208.38 and 25,807.91 is: 35,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.41 : 53,208.38 = 25,807.91 : x
  2. Step 2: Convert to fraction form
    38,538.41/53,208.38 = 25,807.91/x
  3. Step 3: Cross multiply
    38,538.41x = 53,208.38 × 25,807.91
  4. Step 4: Simplify right side
    38,538.41x = 1,373,196,880.76
  5. Step 5: Solve for x
    x = 1,373,196,880.76/38,538.41
  6. Step 6: Final answer
    x = 35,631.91

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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.