Home / 39,384.63-59,099.42-14,421.38

Finding the Fourth Proportional to 39,384.63, 59,099.42 and 14,421.38

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Solution

The fourth proportional to 39,384.63, 59,099.42 and 14,421.38 is: 21,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.63 : 59,099.42 = 14,421.38 : x
  2. Step 2: Convert to fraction form
    39,384.63/59,099.42 = 14,421.38/x
  3. Step 3: Cross multiply
    39,384.63x = 59,099.42 × 14,421.38
  4. Step 4: Simplify right side
    39,384.63x = 852,294,934.16
  5. Step 5: Solve for x
    x = 852,294,934.16/39,384.63
  6. Step 6: Final answer
    x = 21,640.29

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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.