Home / 55,333.76-76,366.96-30,807.04

Finding the Fourth Proportional to 55,333.76, 76,366.96 and 30,807.04

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Solution

The fourth proportional to 55,333.76, 76,366.96 and 30,807.04 is: 42,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333.76 : 76,366.96 = 30,807.04 : x
  2. Step 2: Convert to fraction form
    55,333.76/76,366.96 = 30,807.04/x
  3. Step 3: Cross multiply
    55,333.76x = 76,366.96 × 30,807.04
  4. Step 4: Simplify right side
    55,333.76x = 2,352,639,991.40
  5. Step 5: Solve for x
    x = 2,352,639,991.40/55,333.76
  6. Step 6: Final answer
    x = 42,517.26

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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.