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Finding the Fourth Proportional to 60,922.37, 91,384.80 and 18,802.47

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Solution

The fourth proportional to 60,922.37, 91,384.80 and 18,802.47 is: 28,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,922.37 : 91,384.80 = 18,802.47 : x
  2. Step 2: Convert to fraction form
    60,922.37/91,384.80 = 18,802.47/x
  3. Step 3: Cross multiply
    60,922.37x = 91,384.80 × 18,802.47
  4. Step 4: Simplify right side
    60,922.37x = 1,718,259,960.46
  5. Step 5: Solve for x
    x = 1,718,259,960.46/60,922.37
  6. Step 6: Final answer
    x = 28,204.09

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1.5x scale

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.