Home / 48,555.36-72,834.84-17,390.56

Finding the Fourth Proportional to 48,555.36, 72,834.84 and 17,390.56

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Solution

The fourth proportional to 48,555.36, 72,834.84 and 17,390.56 is: 26,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555.36 : 72,834.84 = 17,390.56 : x
  2. Step 2: Convert to fraction form
    48,555.36/72,834.84 = 17,390.56/x
  3. Step 3: Cross multiply
    48,555.36x = 72,834.84 × 17,390.56
  4. Step 4: Simplify right side
    48,555.36x = 1,266,638,655.11
  5. Step 5: Solve for x
    x = 1,266,638,655.11/48,555.36
  6. Step 6: Final answer
    x = 26,086.48

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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.