Home / 30,764.03-42,454.35-16,616.87

Finding the Fourth Proportional to 30,764.03, 42,454.35 and 16,616.87

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Solution

The fourth proportional to 30,764.03, 42,454.35 and 16,616.87 is: 22,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.03 : 42,454.35 = 16,616.87 : x
  2. Step 2: Convert to fraction form
    30,764.03/42,454.35 = 16,616.87/x
  3. Step 3: Cross multiply
    30,764.03x = 42,454.35 × 16,616.87
  4. Step 4: Simplify right side
    30,764.03x = 705,458,202.61
  5. Step 5: Solve for x
    x = 705,458,202.61/30,764.03
  6. Step 6: Final answer
    x = 22,931.27

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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.