Home / 42,283.59-63,428.34-16,983.11

Finding the Fourth Proportional to 42,283.59, 63,428.34 and 16,983.11

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Solution

The fourth proportional to 42,283.59, 63,428.34 and 16,983.11 is: 25,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.59 : 63,428.34 = 16,983.11 : x
  2. Step 2: Convert to fraction form
    42,283.59/63,428.34 = 16,983.11/x
  3. Step 3: Cross multiply
    42,283.59x = 63,428.34 × 16,983.11
  4. Step 4: Simplify right side
    42,283.59x = 1,077,210,475.34
  5. Step 5: Solve for x
    x = 1,077,210,475.34/42,283.59
  6. Step 6: Final answer
    x = 25,475.85

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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.