Home / 20,637.57-30,956.94-5,055.18

Finding the Fourth Proportional to 20,637.57, 30,956.94 and 5,055.18

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Solution

The fourth proportional to 20,637.57, 30,956.94 and 5,055.18 is: 7,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.57 : 30,956.94 = 5,055.18 : x
  2. Step 2: Convert to fraction form
    20,637.57/30,956.94 = 5,055.18/x
  3. Step 3: Cross multiply
    20,637.57x = 30,956.94 × 5,055.18
  4. Step 4: Simplify right side
    20,637.57x = 156,492,903.95
  5. Step 5: Solve for x
    x = 156,492,903.95/20,637.57
  6. Step 6: Final answer
    x = 7,582.91

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1.5x scale

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.