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Finding the Fourth Proportional to 45,877.79, 68,820.79 and 17,797.17

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Solution

The fourth proportional to 45,877.79, 68,820.79 and 17,797.17 is: 26,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,877.79 : 68,820.79 = 17,797.17 : x
  2. Step 2: Convert to fraction form
    45,877.79/68,820.79 = 17,797.17/x
  3. Step 3: Cross multiply
    45,877.79x = 68,820.79 × 17,797.17
  4. Step 4: Simplify right side
    45,877.79x = 1,224,815,159.00
  5. Step 5: Solve for x
    x = 1,224,815,159.00/45,877.79
  6. Step 6: Final answer
    x = 26,697.34

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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.