Home / 35,266.05-48,664.05-20,155.71

Finding the Fourth Proportional to 35,266.05, 48,664.05 and 20,155.71

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Solution

The fourth proportional to 35,266.05, 48,664.05 and 20,155.71 is: 27,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,266.05 : 48,664.05 = 20,155.71 : x
  2. Step 2: Convert to fraction form
    35,266.05/48,664.05 = 20,155.71/x
  3. Step 3: Cross multiply
    35,266.05x = 48,664.05 × 20,155.71
  4. Step 4: Simplify right side
    35,266.05x = 980,858,479.23
  5. Step 5: Solve for x
    x = 980,858,479.23/35,266.05
  6. Step 6: Final answer
    x = 27,813.11

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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.