Home / 34,776.63-47,988.86-20,627.01

Finding the Fourth Proportional to 34,776.63, 47,988.86 and 20,627.01

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Solution

The fourth proportional to 34,776.63, 47,988.86 and 20,627.01 is: 28,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,776.63 : 47,988.86 = 20,627.01 : x
  2. Step 2: Convert to fraction form
    34,776.63/47,988.86 = 20,627.01/x
  3. Step 3: Cross multiply
    34,776.63x = 47,988.86 × 20,627.01
  4. Step 4: Simplify right side
    34,776.63x = 989,866,591.97
  5. Step 5: Solve for x
    x = 989,866,591.97/34,776.63
  6. Step 6: Final answer
    x = 28,463.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.