Home / 31,848.48-43,943.76-19,272.96

Finding the Fourth Proportional to 31,848.48, 43,943.76 and 19,272.96

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Solution

The fourth proportional to 31,848.48, 43,943.76 and 19,272.96 is: 26,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.48 : 43,943.76 = 19,272.96 : x
  2. Step 2: Convert to fraction form
    31,848.48/43,943.76 = 19,272.96/x
  3. Step 3: Cross multiply
    31,848.48x = 43,943.76 × 19,272.96
  4. Step 4: Simplify right side
    31,848.48x = 846,926,328.73
  5. Step 5: Solve for x
    x = 846,926,328.73/31,848.48
  6. Step 6: Final answer
    x = 26,592.36

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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.