Home / 42,968.84-64,425.30-18,024.88

Finding the Fourth Proportional to 42,968.84, 64,425.30 and 18,024.88

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Solution

The fourth proportional to 42,968.84, 64,425.30 and 18,024.88 is: 27,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,968.84 : 64,425.30 = 18,024.88 : x
  2. Step 2: Convert to fraction form
    42,968.84/64,425.30 = 18,024.88/x
  3. Step 3: Cross multiply
    42,968.84x = 64,425.30 × 18,024.88
  4. Step 4: Simplify right side
    42,968.84x = 1,161,258,301.46
  5. Step 5: Solve for x
    x = 1,161,258,301.46/42,968.84
  6. Step 6: Final answer
    x = 27,025.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.