Home / 30,764.14-42,454.50-16,616.98

Finding the Fourth Proportional to 30,764.14, 42,454.50 and 16,616.98

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Solution

The fourth proportional to 30,764.14, 42,454.50 and 16,616.98 is: 22,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.14 : 42,454.50 = 16,616.98 : x
  2. Step 2: Convert to fraction form
    30,764.14/42,454.50 = 16,616.98/x
  3. Step 3: Cross multiply
    30,764.14x = 42,454.50 × 16,616.98
  4. Step 4: Simplify right side
    30,764.14x = 705,465,577.41
  5. Step 5: Solve for x
    x = 705,465,577.41/30,764.14
  6. Step 6: Final answer
    x = 22,931.43

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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.