Home / 30,924.64-42,675.82-16,777.18

Finding the Fourth Proportional to 30,924.64, 42,675.82 and 16,777.18

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Solution

The fourth proportional to 30,924.64, 42,675.82 and 16,777.18 is: 23,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.64 : 42,675.82 = 16,777.18 : x
  2. Step 2: Convert to fraction form
    30,924.64/42,675.82 = 16,777.18/x
  3. Step 3: Cross multiply
    30,924.64x = 42,675.82 × 16,777.18
  4. Step 4: Simplify right side
    30,924.64x = 715,979,913.79
  5. Step 5: Solve for x
    x = 715,979,913.79/30,924.64
  6. Step 6: Final answer
    x = 23,152.41

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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.