Home / 71,015.92-98,002.32-39,184.84

Finding the Fourth Proportional to 71,015.92, 98,002.32 and 39,184.84

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Solution

The fourth proportional to 71,015.92, 98,002.32 and 39,184.84 is: 54,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015.92 : 98,002.32 = 39,184.84 : x
  2. Step 2: Convert to fraction form
    71,015.92/98,002.32 = 39,184.84/x
  3. Step 3: Cross multiply
    71,015.92x = 98,002.32 × 39,184.84
  4. Step 4: Simplify right side
    71,015.92x = 3,840,205,228.83
  5. Step 5: Solve for x
    x = 3,840,205,228.83/71,015.92
  6. Step 6: Final answer
    x = 54,075.27

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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.