Home / 52,679.04-79,025.85-21,507

Finding the Fourth Proportional to 52,679.04, 79,025.85 and 21,507

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Solution

The fourth proportional to 52,679.04, 79,025.85 and 21,507 is: 32,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,679.04 : 79,025.85 = 21,507 : x
  2. Step 2: Convert to fraction form
    52,679.04/79,025.85 = 21,507/x
  3. Step 3: Cross multiply
    52,679.04x = 79,025.85 × 21,507
  4. Step 4: Simplify right side
    52,679.04x = 1,699,608,955.95
  5. Step 5: Solve for x
    x = 1,699,608,955.95/52,679.04
  6. Step 6: Final answer
    x = 32,263.48

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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.