Home / 35,903.90-49,534.56-20,788.31

Finding the Fourth Proportional to 35,903.90, 49,534.56 and 20,788.31

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Solution

The fourth proportional to 35,903.90, 49,534.56 and 20,788.31 is: 28,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.90 : 49,534.56 = 20,788.31 : x
  2. Step 2: Convert to fraction form
    35,903.90/49,534.56 = 20,788.31/x
  3. Step 3: Cross multiply
    35,903.90x = 49,534.56 × 20,788.31
  4. Step 4: Simplify right side
    35,903.90x = 1,029,739,912.83
  5. Step 5: Solve for x
    x = 1,029,739,912.83/35,903.90
  6. Step 6: Final answer
    x = 28,680.45

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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.