Home / 31,665.76-47,498.76-28,011.04

Finding the Fourth Proportional to 31,665.76, 47,498.76 and 28,011.04

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Solution

The fourth proportional to 31,665.76, 47,498.76 and 28,011.04 is: 42,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.76 : 47,498.76 = 28,011.04 : x
  2. Step 2: Convert to fraction form
    31,665.76/47,498.76 = 28,011.04/x
  3. Step 3: Cross multiply
    31,665.76x = 47,498.76 × 28,011.04
  4. Step 4: Simplify right side
    31,665.76x = 1,330,489,666.31
  5. Step 5: Solve for x
    x = 1,330,489,666.31/31,665.76
  6. Step 6: Final answer
    x = 42,016.67

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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.