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Finding the Fourth Proportional to 51,994.48, 77,991.66 and 16,934.08

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Solution

The fourth proportional to 51,994.48, 77,991.66 and 16,934.08 is: 25,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994.48 : 77,991.66 = 16,934.08 : x
  2. Step 2: Convert to fraction form
    51,994.48/77,991.66 = 16,934.08/x
  3. Step 3: Cross multiply
    51,994.48x = 77,991.66 × 16,934.08
  4. Step 4: Simplify right side
    51,994.48x = 1,320,717,009.77
  5. Step 5: Solve for x
    x = 1,320,717,009.77/51,994.48
  6. Step 6: Final answer
    x = 25,401.10

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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.