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Finding the Fourth Proportional to 46,668.86, 70,032.47 and 18,966.86

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Solution

The fourth proportional to 46,668.86, 70,032.47 and 18,966.86 is: 28,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,668.86 : 70,032.47 = 18,966.86 : x
  2. Step 2: Convert to fraction form
    46,668.86/70,032.47 = 18,966.86/x
  3. Step 3: Cross multiply
    46,668.86x = 70,032.47 × 18,966.86
  4. Step 4: Simplify right side
    46,668.86x = 1,328,296,053.94
  5. Step 5: Solve for x
    x = 1,328,296,053.94/46,668.86
  6. Step 6: Final answer
    x = 28,462.15

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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.