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Finding the Fourth Proportional to 63,071.84, 94,605 and 15,685.94

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Solution

The fourth proportional to 63,071.84, 94,605 and 15,685.94 is: 23,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,071.84 : 94,605 = 15,685.94 : x
  2. Step 2: Convert to fraction form
    63,071.84/94,605 = 15,685.94/x
  3. Step 3: Cross multiply
    63,071.84x = 94,605 × 15,685.94
  4. Step 4: Simplify right side
    63,071.84x = 1,483,968,353.70
  5. Step 5: Solve for x
    x = 1,483,968,353.70/63,071.84
  6. Step 6: Final answer
    x = 23,528.22

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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.