Home / 38,137.29-57,205.02-13,176.45

Finding the Fourth Proportional to 38,137.29, 57,205.02 and 13,176.45

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Solution

The fourth proportional to 38,137.29, 57,205.02 and 13,176.45 is: 19,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.29 : 57,205.02 = 13,176.45 : x
  2. Step 2: Convert to fraction form
    38,137.29/57,205.02 = 13,176.45/x
  3. Step 3: Cross multiply
    38,137.29x = 57,205.02 × 13,176.45
  4. Step 4: Simplify right side
    38,137.29x = 753,759,085.78
  5. Step 5: Solve for x
    x = 753,759,085.78/38,137.29
  6. Step 6: Final answer
    x = 19,764.36

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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.