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Finding the Fourth Proportional to 52,971.63, 79,457.28 and 33,264.01

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Solution

The fourth proportional to 52,971.63, 79,457.28 and 33,264.01 is: 49,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,971.63 : 79,457.28 = 33,264.01 : x
  2. Step 2: Convert to fraction form
    52,971.63/79,457.28 = 33,264.01/x
  3. Step 3: Cross multiply
    52,971.63x = 79,457.28 × 33,264.01
  4. Step 4: Simplify right side
    52,971.63x = 2,643,067,756.49
  5. Step 5: Solve for x
    x = 2,643,067,756.49/52,971.63
  6. Step 6: Final answer
    x = 49,895.91

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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.