Home / 39,328.65-58,948.49-19,295.13

Finding the Fourth Proportional to 39,328.65, 58,948.49 and 19,295.13

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Solution

The fourth proportional to 39,328.65, 58,948.49 and 19,295.13 is: 28,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328.65 : 58,948.49 = 19,295.13 : x
  2. Step 2: Convert to fraction form
    39,328.65/58,948.49 = 19,295.13/x
  3. Step 3: Cross multiply
    39,328.65x = 58,948.49 × 19,295.13
  4. Step 4: Simplify right side
    39,328.65x = 1,137,418,681.38
  5. Step 5: Solve for x
    x = 1,137,418,681.38/39,328.65
  6. Step 6: Final answer
    x = 28,920.87

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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.