Home / 52,817.84-79,157.28-21,636.08

Finding the Fourth Proportional to 52,817.84, 79,157.28 and 21,636.08

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Solution

The fourth proportional to 52,817.84, 79,157.28 and 21,636.08 is: 32,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.84 : 79,157.28 = 21,636.08 : x
  2. Step 2: Convert to fraction form
    52,817.84/79,157.28 = 21,636.08/x
  3. Step 3: Cross multiply
    52,817.84x = 79,157.28 × 21,636.08
  4. Step 4: Simplify right side
    52,817.84x = 1,712,653,242.66
  5. Step 5: Solve for x
    x = 1,712,653,242.66/52,817.84
  6. Step 6: Final answer
    x = 32,425.66

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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.