Home / 30,801.76-42,506.36-16,654.56

Finding the Fourth Proportional to 30,801.76, 42,506.36 and 16,654.56

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Solution

The fourth proportional to 30,801.76, 42,506.36 and 16,654.56 is: 22,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.76 : 42,506.36 = 16,654.56 : x
  2. Step 2: Convert to fraction form
    30,801.76/42,506.36 = 16,654.56/x
  3. Step 3: Cross multiply
    30,801.76x = 42,506.36 × 16,654.56
  4. Step 4: Simplify right side
    30,801.76x = 707,924,723.00
  5. Step 5: Solve for x
    x = 707,924,723.00/30,801.76
  6. Step 6: Final answer
    x = 22,983.26

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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.