Home / 57,012.08-85,513.80-20,050.16

Finding the Fourth Proportional to 57,012.08, 85,513.80 and 20,050.16

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Solution

The fourth proportional to 57,012.08, 85,513.80 and 20,050.16 is: 30,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,012.08 : 85,513.80 = 20,050.16 : x
  2. Step 2: Convert to fraction form
    57,012.08/85,513.80 = 20,050.16/x
  3. Step 3: Cross multiply
    57,012.08x = 85,513.80 × 20,050.16
  4. Step 4: Simplify right side
    57,012.08x = 1,714,565,372.21
  5. Step 5: Solve for x
    x = 1,714,565,372.21/57,012.08
  6. Step 6: Final answer
    x = 30,073.72

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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.