Home / 49,047.91-67,688.33-28,905.64

Finding the Fourth Proportional to 49,047.91, 67,688.33 and 28,905.64

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Solution

The fourth proportional to 49,047.91, 67,688.33 and 28,905.64 is: 39,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,047.91 : 67,688.33 = 28,905.64 : x
  2. Step 2: Convert to fraction form
    49,047.91/67,688.33 = 28,905.64/x
  3. Step 3: Cross multiply
    49,047.91x = 67,688.33 × 28,905.64
  4. Step 4: Simplify right side
    49,047.91x = 1,956,574,402.22
  5. Step 5: Solve for x
    x = 1,956,574,402.22/49,047.91
  6. Step 6: Final answer
    x = 39,891.09

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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.