Home / 30,972.67-42,739.32-17,541.34

Finding the Fourth Proportional to 30,972.67, 42,739.32 and 17,541.34

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Solution

The fourth proportional to 30,972.67, 42,739.32 and 17,541.34 is: 24,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.67 : 42,739.32 = 17,541.34 : x
  2. Step 2: Convert to fraction form
    30,972.67/42,739.32 = 17,541.34/x
  3. Step 3: Cross multiply
    30,972.67x = 42,739.32 × 17,541.34
  4. Step 4: Simplify right side
    30,972.67x = 749,704,943.49
  5. Step 5: Solve for x
    x = 749,704,943.49/30,972.67
  6. Step 6: Final answer
    x = 24,205.37

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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.