Home / 48,684.72-67,209.12-30,797.76

Finding the Fourth Proportional to 48,684.72, 67,209.12 and 30,797.76

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Solution

The fourth proportional to 48,684.72, 67,209.12 and 30,797.76 is: 42,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.72 : 67,209.12 = 30,797.76 : x
  2. Step 2: Convert to fraction form
    48,684.72/67,209.12 = 30,797.76/x
  3. Step 3: Cross multiply
    48,684.72x = 67,209.12 × 30,797.76
  4. Step 4: Simplify right side
    48,684.72x = 2,069,890,347.57
  5. Step 5: Solve for x
    x = 2,069,890,347.57/48,684.72
  6. Step 6: Final answer
    x = 42,516.22

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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.