Home / 35,346.94-48,775.88-20,808.81

Finding the Fourth Proportional to 35,346.94, 48,775.88 and 20,808.81

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Solution

The fourth proportional to 35,346.94, 48,775.88 and 20,808.81 is: 28,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.94 : 48,775.88 = 20,808.81 : x
  2. Step 2: Convert to fraction form
    35,346.94/48,775.88 = 20,808.81/x
  3. Step 3: Cross multiply
    35,346.94x = 48,775.88 × 20,808.81
  4. Step 4: Simplify right side
    35,346.94x = 1,014,968,145.21
  5. Step 5: Solve for x
    x = 1,014,968,145.21/35,346.94
  6. Step 6: Final answer
    x = 28,714.46

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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.