Home / 35,535.18-49,033.30-20,428.48

Finding the Fourth Proportional to 35,535.18, 49,033.30 and 20,428.48

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Solution

The fourth proportional to 35,535.18, 49,033.30 and 20,428.48 is: 28,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.18 : 49,033.30 = 20,428.48 : x
  2. Step 2: Convert to fraction form
    35,535.18/49,033.30 = 20,428.48/x
  3. Step 3: Cross multiply
    35,535.18x = 49,033.30 × 20,428.48
  4. Step 4: Simplify right side
    35,535.18x = 1,001,675,788.38
  5. Step 5: Solve for x
    x = 1,001,675,788.38/35,535.18
  6. Step 6: Final answer
    x = 28,188.29

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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.