Home / 35,905.49-49,551.73-20,802.90

Finding the Fourth Proportional to 35,905.49, 49,551.73 and 20,802.90

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Solution

The fourth proportional to 35,905.49, 49,551.73 and 20,802.90 is: 28,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.49 : 49,551.73 = 20,802.90 : x
  2. Step 2: Convert to fraction form
    35,905.49/49,551.73 = 20,802.90/x
  3. Step 3: Cross multiply
    35,905.49x = 49,551.73 × 20,802.90
  4. Step 4: Simplify right side
    35,905.49x = 1,030,819,684.02
  5. Step 5: Solve for x
    x = 1,030,819,684.02/35,905.49
  6. Step 6: Final answer
    x = 28,709.25

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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.