Home / 35,114.58-48,457.19-20,775.15

Finding the Fourth Proportional to 35,114.58, 48,457.19 and 20,775.15

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Solution

The fourth proportional to 35,114.58, 48,457.19 and 20,775.15 is: 28,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,114.58 : 48,457.19 = 20,775.15 : x
  2. Step 2: Convert to fraction form
    35,114.58/48,457.19 = 20,775.15/x
  3. Step 3: Cross multiply
    35,114.58x = 48,457.19 × 20,775.15
  4. Step 4: Simplify right side
    35,114.58x = 1,006,705,390.83
  5. Step 5: Solve for x
    x = 1,006,705,390.83/35,114.58
  6. Step 6: Final answer
    x = 28,669.16

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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.