Home / 55,748.64-83,605.68-18,804

Finding the Fourth Proportional to 55,748.64, 83,605.68 and 18,804

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Solution

The fourth proportional to 55,748.64, 83,605.68 and 18,804 is: 28,200.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,748.64 : 83,605.68 = 18,804 : x
  2. Step 2: Convert to fraction form
    55,748.64/83,605.68 = 18,804/x
  3. Step 3: Cross multiply
    55,748.64x = 83,605.68 × 18,804
  4. Step 4: Simplify right side
    55,748.64x = 1,572,121,206.72
  5. Step 5: Solve for x
    x = 1,572,121,206.72/55,748.64
  6. Step 6: Final answer
    x = 28,200.17

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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.