Home / 46,931.91-70,407.06-20,636.58

Finding the Fourth Proportional to 46,931.91, 70,407.06 and 20,636.58

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Solution

The fourth proportional to 46,931.91, 70,407.06 and 20,636.58 is: 30,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,931.91 : 70,407.06 = 20,636.58 : x
  2. Step 2: Convert to fraction form
    46,931.91/70,407.06 = 20,636.58/x
  3. Step 3: Cross multiply
    46,931.91x = 70,407.06 × 20,636.58
  4. Step 4: Simplify right side
    46,931.91x = 1,452,960,716.85
  5. Step 5: Solve for x
    x = 1,452,960,716.85/46,931.91
  6. Step 6: Final answer
    x = 30,958.91

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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.