Home / 38,880.50-58,329.39-14,256.50

Finding the Fourth Proportional to 38,880.50, 58,329.39 and 14,256.50

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Solution

The fourth proportional to 38,880.50, 58,329.39 and 14,256.50 is: 21,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880.50 : 58,329.39 = 14,256.50 : x
  2. Step 2: Convert to fraction form
    38,880.50/58,329.39 = 14,256.50/x
  3. Step 3: Cross multiply
    38,880.50x = 58,329.39 × 14,256.50
  4. Step 4: Simplify right side
    38,880.50x = 831,572,948.54
  5. Step 5: Solve for x
    x = 831,572,948.54/38,880.50
  6. Step 6: Final answer
    x = 21,387.92

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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.