Home / 42,513.20-63,756.20-14,043.84

Finding the Fourth Proportional to 42,513.20, 63,756.20 and 14,043.84

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Solution

The fourth proportional to 42,513.20, 63,756.20 and 14,043.84 is: 21,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.20 : 63,756.20 = 14,043.84 : x
  2. Step 2: Convert to fraction form
    42,513.20/63,756.20 = 14,043.84/x
  3. Step 3: Cross multiply
    42,513.20x = 63,756.20 × 14,043.84
  4. Step 4: Simplify right side
    42,513.20x = 895,381,871.81
  5. Step 5: Solve for x
    x = 895,381,871.81/42,513.20
  6. Step 6: Final answer
    x = 21,061.27

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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.