Home / 46,685.08-69,988.47-20,369.80

Finding the Fourth Proportional to 46,685.08, 69,988.47 and 20,369.80

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Solution

The fourth proportional to 46,685.08, 69,988.47 and 20,369.80 is: 30,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,685.08 : 69,988.47 = 20,369.80 : x
  2. Step 2: Convert to fraction form
    46,685.08/69,988.47 = 20,369.80/x
  3. Step 3: Cross multiply
    46,685.08x = 69,988.47 × 20,369.80
  4. Step 4: Simplify right side
    46,685.08x = 1,425,651,136.21
  5. Step 5: Solve for x
    x = 1,425,651,136.21/46,685.08
  6. Step 6: Final answer
    x = 30,537.62

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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.