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Finding the Fourth Proportional to 67,373.58, 92,993.52 and 39,802.44

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Solution

The fourth proportional to 67,373.58, 92,993.52 and 39,802.44 is: 54,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,373.58 : 92,993.52 = 39,802.44 : x
  2. Step 2: Convert to fraction form
    67,373.58/92,993.52 = 39,802.44/x
  3. Step 3: Cross multiply
    67,373.58x = 92,993.52 × 39,802.44
  4. Step 4: Simplify right side
    67,373.58x = 3,701,369,000.19
  5. Step 5: Solve for x
    x = 3,701,369,000.19/67,373.58
  6. Step 6: Final answer
    x = 54,937.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.