Home / 55,050.84-75,969.36-30,520.98

Finding the Fourth Proportional to 55,050.84, 75,969.36 and 30,520.98

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Solution

The fourth proportional to 55,050.84, 75,969.36 and 30,520.98 is: 42,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,050.84 : 75,969.36 = 30,520.98 : x
  2. Step 2: Convert to fraction form
    55,050.84/75,969.36 = 30,520.98/x
  3. Step 3: Cross multiply
    55,050.84x = 75,969.36 × 30,520.98
  4. Step 4: Simplify right side
    55,050.84x = 2,318,659,317.17
  5. Step 5: Solve for x
    x = 2,318,659,317.17/55,050.84
  6. Step 6: Final answer
    x = 42,118.51

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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.