Home / 35,028.02-48,338.42-19,920.68

Finding the Fourth Proportional to 35,028.02, 48,338.42 and 19,920.68

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Solution

The fourth proportional to 35,028.02, 48,338.42 and 19,920.68 is: 27,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,028.02 : 48,338.42 = 19,920.68 : x
  2. Step 2: Convert to fraction form
    35,028.02/48,338.42 = 19,920.68/x
  3. Step 3: Cross multiply
    35,028.02x = 48,338.42 × 19,920.68
  4. Step 4: Simplify right side
    35,028.02x = 962,934,196.53
  5. Step 5: Solve for x
    x = 962,934,196.53/35,028.02
  6. Step 6: Final answer
    x = 27,490.40

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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.