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Finding the Fourth Proportional to 46,658.84, 69,973.90 and 13,369.97

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Solution

The fourth proportional to 46,658.84, 69,973.90 and 13,369.97 is: 20,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,658.84 : 69,973.90 = 13,369.97 : x
  2. Step 2: Convert to fraction form
    46,658.84/69,973.90 = 13,369.97/x
  3. Step 3: Cross multiply
    46,658.84x = 69,973.90 × 13,369.97
  4. Step 4: Simplify right side
    46,658.84x = 935,549,085.29
  5. Step 5: Solve for x
    x = 935,549,085.29/46,658.84
  6. Step 6: Final answer
    x = 20,050.85

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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.