Home / 42,280.84-63,408.61-26,509.84

Finding the Fourth Proportional to 42,280.84, 63,408.61 and 26,509.84

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Solution

The fourth proportional to 42,280.84, 63,408.61 and 26,509.84 is: 39,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.84 : 63,408.61 = 26,509.84 : x
  2. Step 2: Convert to fraction form
    42,280.84/63,408.61 = 26,509.84/x
  3. Step 3: Cross multiply
    42,280.84x = 63,408.61 × 26,509.84
  4. Step 4: Simplify right side
    42,280.84x = 1,680,951,656.13
  5. Step 5: Solve for x
    x = 1,680,951,656.13/42,280.84
  6. Step 6: Final answer
    x = 39,756.82

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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.