Home / 30,925.02-42,676.60-16,777.86

Finding the Fourth Proportional to 30,925.02, 42,676.60 and 16,777.86

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Solution

The fourth proportional to 30,925.02, 42,676.60 and 16,777.86 is: 23,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.02 : 42,676.60 = 16,777.86 : x
  2. Step 2: Convert to fraction form
    30,925.02/42,676.60 = 16,777.86/x
  3. Step 3: Cross multiply
    30,925.02x = 42,676.60 × 16,777.86
  4. Step 4: Simplify right side
    30,925.02x = 716,022,020.08
  5. Step 5: Solve for x
    x = 716,022,020.08/30,925.02
  6. Step 6: Final answer
    x = 23,153.49

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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.