Home / 42,846.21-64,229.95-14,759.59

Finding the Fourth Proportional to 42,846.21, 64,229.95 and 14,759.59

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Solution

The fourth proportional to 42,846.21, 64,229.95 and 14,759.59 is: 22,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.21 : 64,229.95 = 14,759.59 : x
  2. Step 2: Convert to fraction form
    42,846.21/64,229.95 = 14,759.59/x
  3. Step 3: Cross multiply
    42,846.21x = 64,229.95 × 14,759.59
  4. Step 4: Simplify right side
    42,846.21x = 948,007,506.16
  5. Step 5: Solve for x
    x = 948,007,506.16/42,846.21
  6. Step 6: Final answer
    x = 22,125.82

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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.