Home / 49,011.84-67,654.44-31,118.40

Finding the Fourth Proportional to 49,011.84, 67,654.44 and 31,118.40

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Solution

The fourth proportional to 49,011.84, 67,654.44 and 31,118.40 is: 42,954.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,011.84 : 67,654.44 = 31,118.40 : x
  2. Step 2: Convert to fraction form
    49,011.84/67,654.44 = 31,118.40/x
  3. Step 3: Cross multiply
    49,011.84x = 67,654.44 × 31,118.40
  4. Step 4: Simplify right side
    49,011.84x = 2,105,297,925.70
  5. Step 5: Solve for x
    x = 2,105,297,925.70/49,011.84
  6. Step 6: Final answer
    x = 42,954.88

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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.