Home / 31,618.92-47,434.14-10,837.80

Finding the Fourth Proportional to 31,618.92, 47,434.14 and 10,837.80

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Solution

The fourth proportional to 31,618.92, 47,434.14 and 10,837.80 is: 16,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.92 : 47,434.14 = 10,837.80 : x
  2. Step 2: Convert to fraction form
    31,618.92/47,434.14 = 10,837.80/x
  3. Step 3: Cross multiply
    31,618.92x = 47,434.14 × 10,837.80
  4. Step 4: Simplify right side
    31,618.92x = 514,081,722.49
  5. Step 5: Solve for x
    x = 514,081,722.49/31,618.92
  6. Step 6: Final answer
    x = 16,258.67

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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.