Home / 30,937.01-42,693.10-16,789.85

Finding the Fourth Proportional to 30,937.01, 42,693.10 and 16,789.85

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Solution

The fourth proportional to 30,937.01, 42,693.10 and 16,789.85 is: 23,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.01 : 42,693.10 = 16,789.85 : x
  2. Step 2: Convert to fraction form
    30,937.01/42,693.10 = 16,789.85/x
  3. Step 3: Cross multiply
    30,937.01x = 42,693.10 × 16,789.85
  4. Step 4: Simplify right side
    30,937.01x = 716,810,489.59
  5. Step 5: Solve for x
    x = 716,810,489.59/30,937.01
  6. Step 6: Final answer
    x = 23,170.00

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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.