Home / 34,113.44-47,078.92-20,685.26

Finding the Fourth Proportional to 34,113.44, 47,078.92 and 20,685.26

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Solution

The fourth proportional to 34,113.44, 47,078.92 and 20,685.26 is: 28,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,113.44 : 47,078.92 = 20,685.26 : x
  2. Step 2: Convert to fraction form
    34,113.44/47,078.92 = 20,685.26/x
  3. Step 3: Cross multiply
    34,113.44x = 47,078.92 × 20,685.26
  4. Step 4: Simplify right side
    34,113.44x = 973,839,700.72
  5. Step 5: Solve for x
    x = 973,839,700.72/34,113.44
  6. Step 6: Final answer
    x = 28,547.10

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1.5x scale

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.