Home / 31,996.78-48,007.65-13,272.08

Finding the Fourth Proportional to 31,996.78, 48,007.65 and 13,272.08

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Solution

The fourth proportional to 31,996.78, 48,007.65 and 13,272.08 is: 19,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.78 : 48,007.65 = 13,272.08 : x
  2. Step 2: Convert to fraction form
    31,996.78/48,007.65 = 13,272.08/x
  3. Step 3: Cross multiply
    31,996.78x = 48,007.65 × 13,272.08
  4. Step 4: Simplify right side
    31,996.78x = 637,161,371.41
  5. Step 5: Solve for x
    x = 637,161,371.41/31,996.78
  6. Step 6: Final answer
    x = 19,913.30

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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.