Home / 47,227.91-70,830.25-13,939.07

Finding the Fourth Proportional to 47,227.91, 70,830.25 and 13,939.07

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Solution

The fourth proportional to 47,227.91, 70,830.25 and 13,939.07 is: 20,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,227.91 : 70,830.25 = 13,939.07 : x
  2. Step 2: Convert to fraction form
    47,227.91/70,830.25 = 13,939.07/x
  3. Step 3: Cross multiply
    47,227.91x = 70,830.25 × 13,939.07
  4. Step 4: Simplify right side
    47,227.91x = 987,307,423.87
  5. Step 5: Solve for x
    x = 987,307,423.87/47,227.91
  6. Step 6: Final answer
    x = 20,905.17

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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.