Home / 30,924.72-42,676.20-16,777.53

Finding the Fourth Proportional to 30,924.72, 42,676.20 and 16,777.53

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Solution

The fourth proportional to 30,924.72, 42,676.20 and 16,777.53 is: 23,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.72 : 42,676.20 = 16,777.53 : x
  2. Step 2: Convert to fraction form
    30,924.72/42,676.20 = 16,777.53/x
  3. Step 3: Cross multiply
    30,924.72x = 42,676.20 × 16,777.53
  4. Step 4: Simplify right side
    30,924.72x = 716,001,225.79
  5. Step 5: Solve for x
    x = 716,001,225.79/30,924.72
  6. Step 6: Final answer
    x = 23,153.04

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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.