Home / 42,757.06-64,145.06-14,676.49

Finding the Fourth Proportional to 42,757.06, 64,145.06 and 14,676.49

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Solution

The fourth proportional to 42,757.06, 64,145.06 and 14,676.49 is: 22,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,757.06 : 64,145.06 = 14,676.49 : x
  2. Step 2: Convert to fraction form
    42,757.06/64,145.06 = 14,676.49/x
  3. Step 3: Cross multiply
    42,757.06x = 64,145.06 × 14,676.49
  4. Step 4: Simplify right side
    42,757.06x = 941,423,937.53
  5. Step 5: Solve for x
    x = 941,423,937.53/42,757.06
  6. Step 6: Final answer
    x = 22,017.98

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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.