Home / 30,924.81-42,676.06-16,777.35

Finding the Fourth Proportional to 30,924.81, 42,676.06 and 16,777.35

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Solution

The fourth proportional to 30,924.81, 42,676.06 and 16,777.35 is: 23,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.81 : 42,676.06 = 16,777.35 : x
  2. Step 2: Convert to fraction form
    30,924.81/42,676.06 = 16,777.35/x
  3. Step 3: Cross multiply
    30,924.81x = 42,676.06 × 16,777.35
  4. Step 4: Simplify right side
    30,924.81x = 715,991,311.96
  5. Step 5: Solve for x
    x = 715,991,311.96/30,924.81
  6. Step 6: Final answer
    x = 23,152.65

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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.