Home / 42,543.84-63,796.32-14,835.36

Finding the Fourth Proportional to 42,543.84, 63,796.32 and 14,835.36

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Solution

The fourth proportional to 42,543.84, 63,796.32 and 14,835.36 is: 22,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.84 : 63,796.32 = 14,835.36 : x
  2. Step 2: Convert to fraction form
    42,543.84/63,796.32 = 14,835.36/x
  3. Step 3: Cross multiply
    42,543.84x = 63,796.32 × 14,835.36
  4. Step 4: Simplify right side
    42,543.84x = 946,441,373.88
  5. Step 5: Solve for x
    x = 946,441,373.88/42,543.84
  6. Step 6: Final answer
    x = 22,246.26

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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.