Home / 49,880.94-74,756.76-20,264.40

Finding the Fourth Proportional to 49,880.94, 74,756.76 and 20,264.40

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Solution

The fourth proportional to 49,880.94, 74,756.76 and 20,264.40 is: 30,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.94 : 74,756.76 = 20,264.40 : x
  2. Step 2: Convert to fraction form
    49,880.94/74,756.76 = 20,264.40/x
  3. Step 3: Cross multiply
    49,880.94x = 74,756.76 × 20,264.40
  4. Step 4: Simplify right side
    49,880.94x = 1,514,900,887.34
  5. Step 5: Solve for x
    x = 1,514,900,887.34/49,880.94
  6. Step 6: Final answer
    x = 30,370.34

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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.