Home / 57,015.08-85,518.30-20,053.16

Finding the Fourth Proportional to 57,015.08, 85,518.30 and 20,053.16

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Solution

The fourth proportional to 57,015.08, 85,518.30 and 20,053.16 is: 30,078.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.08 : 85,518.30 = 20,053.16 : x
  2. Step 2: Convert to fraction form
    57,015.08/85,518.30 = 20,053.16/x
  3. Step 3: Cross multiply
    57,015.08x = 85,518.30 × 20,053.16
  4. Step 4: Simplify right side
    57,015.08x = 1,714,912,152.83
  5. Step 5: Solve for x
    x = 1,714,912,152.83/57,015.08
  6. Step 6: Final answer
    x = 30,078.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.