Home / 31,937.36-47,856.76-20,225.97

Finding the Fourth Proportional to 31,937.36, 47,856.76 and 20,225.97

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Solution

The fourth proportional to 31,937.36, 47,856.76 and 20,225.97 is: 30,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.36 : 47,856.76 = 20,225.97 : x
  2. Step 2: Convert to fraction form
    31,937.36/47,856.76 = 20,225.97/x
  3. Step 3: Cross multiply
    31,937.36x = 47,856.76 × 20,225.97
  4. Step 4: Simplify right side
    31,937.36x = 967,949,341.49
  5. Step 5: Solve for x
    x = 967,949,341.49/31,937.36
  6. Step 6: Final answer
    x = 30,307.75

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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.