Home / 38,135.93-57,197.77-10,427.45

Finding the Fourth Proportional to 38,135.93, 57,197.77 and 10,427.45

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Solution

The fourth proportional to 38,135.93, 57,197.77 and 10,427.45 is: 15,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.93 : 57,197.77 = 10,427.45 : x
  2. Step 2: Convert to fraction form
    38,135.93/57,197.77 = 10,427.45/x
  3. Step 3: Cross multiply
    38,135.93x = 57,197.77 × 10,427.45
  4. Step 4: Simplify right side
    38,135.93x = 596,426,574.73
  5. Step 5: Solve for x
    x = 596,426,574.73/38,135.93
  6. Step 6: Final answer
    x = 15,639.49

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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.