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Finding the Fourth Proportional to 62,859.95, 94,289.92 and 18,486.70

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Solution

The fourth proportional to 62,859.95, 94,289.92 and 18,486.70 is: 27,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.95 : 94,289.92 = 18,486.70 : x
  2. Step 2: Convert to fraction form
    62,859.95/94,289.92 = 18,486.70/x
  3. Step 3: Cross multiply
    62,859.95x = 94,289.92 × 18,486.70
  4. Step 4: Simplify right side
    62,859.95x = 1,743,109,816.49
  5. Step 5: Solve for x
    x = 1,743,109,816.49/62,859.95
  6. Step 6: Final answer
    x = 27,730.05

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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.