Home / 31,463.81-43,420.37-17,316.98

Finding the Fourth Proportional to 31,463.81, 43,420.37 and 17,316.98

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Solution

The fourth proportional to 31,463.81, 43,420.37 and 17,316.98 is: 23,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.81 : 43,420.37 = 17,316.98 : x
  2. Step 2: Convert to fraction form
    31,463.81/43,420.37 = 17,316.98/x
  3. Step 3: Cross multiply
    31,463.81x = 43,420.37 × 17,316.98
  4. Step 4: Simplify right side
    31,463.81x = 751,909,375.20
  5. Step 5: Solve for x
    x = 751,909,375.20/31,463.81
  6. Step 6: Final answer
    x = 23,897.60

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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.