Home / 38,637.96-57,960.72-12,336.36

Finding the Fourth Proportional to 38,637.96, 57,960.72 and 12,336.36

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Solution

The fourth proportional to 38,637.96, 57,960.72 and 12,336.36 is: 18,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.96 : 57,960.72 = 12,336.36 : x
  2. Step 2: Convert to fraction form
    38,637.96/57,960.72 = 12,336.36/x
  3. Step 3: Cross multiply
    38,637.96x = 57,960.72 × 12,336.36
  4. Step 4: Simplify right side
    38,637.96x = 715,024,307.78
  5. Step 5: Solve for x
    x = 715,024,307.78/38,637.96
  6. Step 6: Final answer
    x = 18,505.75

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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.