Home / 55,442.80-76,508.68-30,292.40

Finding the Fourth Proportional to 55,442.80, 76,508.68 and 30,292.40

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Solution

The fourth proportional to 55,442.80, 76,508.68 and 30,292.40 is: 41,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442.80 : 76,508.68 = 30,292.40 : x
  2. Step 2: Convert to fraction form
    55,442.80/76,508.68 = 30,292.40/x
  3. Step 3: Cross multiply
    55,442.80x = 76,508.68 × 30,292.40
  4. Step 4: Simplify right side
    55,442.80x = 2,317,631,538.03
  5. Step 5: Solve for x
    x = 2,317,631,538.03/55,442.80
  6. Step 6: Final answer
    x = 41,802.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.