Home / 52,192.85-72,044.81-30,972.11

Finding the Fourth Proportional to 52,192.85, 72,044.81 and 30,972.11

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Solution

The fourth proportional to 52,192.85, 72,044.81 and 30,972.11 is: 42,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192.85 : 72,044.81 = 30,972.11 : x
  2. Step 2: Convert to fraction form
    52,192.85/72,044.81 = 30,972.11/x
  3. Step 3: Cross multiply
    52,192.85x = 72,044.81 × 30,972.11
  4. Step 4: Simplify right side
    52,192.85x = 2,231,379,625.39
  5. Step 5: Solve for x
    x = 2,231,379,625.39/52,192.85
  6. Step 6: Final answer
    x = 42,752.60

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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.