Home / 35,734.60-49,317.78-20,631.25

Finding the Fourth Proportional to 35,734.60, 49,317.78 and 20,631.25

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Solution

The fourth proportional to 35,734.60, 49,317.78 and 20,631.25 is: 28,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,734.60 : 49,317.78 = 20,631.25 : x
  2. Step 2: Convert to fraction form
    35,734.60/49,317.78 = 20,631.25/x
  3. Step 3: Cross multiply
    35,734.60x = 49,317.78 × 20,631.25
  4. Step 4: Simplify right side
    35,734.60x = 1,017,487,448.63
  5. Step 5: Solve for x
    x = 1,017,487,448.63/35,734.60
  6. Step 6: Final answer
    x = 28,473.45

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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.