Home / 67,871.45-93,658.38-40,998.08

Finding the Fourth Proportional to 67,871.45, 93,658.38 and 40,998.08

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Solution

The fourth proportional to 67,871.45, 93,658.38 and 40,998.08 is: 56,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.45 : 93,658.38 = 40,998.08 : x
  2. Step 2: Convert to fraction form
    67,871.45/93,658.38 = 40,998.08/x
  3. Step 3: Cross multiply
    67,871.45x = 93,658.38 × 40,998.08
  4. Step 4: Simplify right side
    67,871.45x = 3,839,813,836.31
  5. Step 5: Solve for x
    x = 3,839,813,836.31/67,871.45
  6. Step 6: Final answer
    x = 56,574.80

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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.