Home / 42,633.46-63,955.13-14,172.96

Finding the Fourth Proportional to 42,633.46, 63,955.13 and 14,172.96

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Solution

The fourth proportional to 42,633.46, 63,955.13 and 14,172.96 is: 21,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,633.46 : 63,955.13 = 14,172.96 : x
  2. Step 2: Convert to fraction form
    42,633.46/63,955.13 = 14,172.96/x
  3. Step 3: Cross multiply
    42,633.46x = 63,955.13 × 14,172.96
  4. Step 4: Simplify right side
    42,633.46x = 906,433,499.28
  5. Step 5: Solve for x
    x = 906,433,499.28/42,633.46
  6. Step 6: Final answer
    x = 21,261.08

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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.