Home / 31,703.58-47,555.76-8,332.38

Finding the Fourth Proportional to 31,703.58, 47,555.76 and 8,332.38

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Solution

The fourth proportional to 31,703.58, 47,555.76 and 8,332.38 is: 12,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.58 : 47,555.76 = 8,332.38 : x
  2. Step 2: Convert to fraction form
    31,703.58/47,555.76 = 8,332.38/x
  3. Step 3: Cross multiply
    31,703.58x = 47,555.76 × 8,332.38
  4. Step 4: Simplify right side
    31,703.58x = 396,252,663.51
  5. Step 5: Solve for x
    x = 396,252,663.51/31,703.58
  6. Step 6: Final answer
    x = 12,498.67

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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.