Home / 32,968.78-45,493.29-18,818.89

Finding the Fourth Proportional to 32,968.78, 45,493.29 and 18,818.89

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Solution

The fourth proportional to 32,968.78, 45,493.29 and 18,818.89 is: 25,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.78 : 45,493.29 = 18,818.89 : x
  2. Step 2: Convert to fraction form
    32,968.78/45,493.29 = 18,818.89/x
  3. Step 3: Cross multiply
    32,968.78x = 45,493.29 × 18,818.89
  4. Step 4: Simplify right side
    32,968.78x = 856,133,220.25
  5. Step 5: Solve for x
    x = 856,133,220.25/32,968.78
  6. Step 6: Final answer
    x = 25,968.00

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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.