Home / 30,764.23-42,454.60-16,617.09

Finding the Fourth Proportional to 30,764.23, 42,454.60 and 16,617.09

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Solution

The fourth proportional to 30,764.23, 42,454.60 and 16,617.09 is: 22,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.23 : 42,454.60 = 16,617.09 : x
  2. Step 2: Convert to fraction form
    30,764.23/42,454.60 = 16,617.09/x
  3. Step 3: Cross multiply
    30,764.23x = 42,454.60 × 16,617.09
  4. Step 4: Simplify right side
    30,764.23x = 705,471,909.11
  5. Step 5: Solve for x
    x = 705,471,909.11/30,764.23
  6. Step 6: Final answer
    x = 22,931.56

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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.