Home / 31,890.14-44,008.40-17,743

Finding the Fourth Proportional to 31,890.14, 44,008.40 and 17,743

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Solution

The fourth proportional to 31,890.14, 44,008.40 and 17,743 is: 24,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890.14 : 44,008.40 = 17,743 : x
  2. Step 2: Convert to fraction form
    31,890.14/44,008.40 = 17,743/x
  3. Step 3: Cross multiply
    31,890.14x = 44,008.40 × 17,743
  4. Step 4: Simplify right side
    31,890.14x = 780,841,041.20
  5. Step 5: Solve for x
    x = 780,841,041.20/31,890.14
  6. Step 6: Final answer
    x = 24,485.34

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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.