Home / 35,644.81-49,200.79-20,547.57

Finding the Fourth Proportional to 35,644.81, 49,200.79 and 20,547.57

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Solution

The fourth proportional to 35,644.81, 49,200.79 and 20,547.57 is: 28,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,644.81 : 49,200.79 = 20,547.57 : x
  2. Step 2: Convert to fraction form
    35,644.81/49,200.79 = 20,547.57/x
  3. Step 3: Cross multiply
    35,644.81x = 49,200.79 × 20,547.57
  4. Step 4: Simplify right side
    35,644.81x = 1,010,956,481.95
  5. Step 5: Solve for x
    x = 1,010,956,481.95/35,644.81
  6. Step 6: Final answer
    x = 28,361.96

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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.