Home / 49,087.80-73,631.70-30,425.40

Finding the Fourth Proportional to 49,087.80, 73,631.70 and 30,425.40

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Solution

The fourth proportional to 49,087.80, 73,631.70 and 30,425.40 is: 45,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,087.80 : 73,631.70 = 30,425.40 : x
  2. Step 2: Convert to fraction form
    49,087.80/73,631.70 = 30,425.40/x
  3. Step 3: Cross multiply
    49,087.80x = 73,631.70 × 30,425.40
  4. Step 4: Simplify right side
    49,087.80x = 2,240,273,925.18
  5. Step 5: Solve for x
    x = 2,240,273,925.18/49,087.80
  6. Step 6: Final answer
    x = 45,638.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.