Home / 57,013.08-85,515.30-20,051.16

Finding the Fourth Proportional to 57,013.08, 85,515.30 and 20,051.16

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Solution

The fourth proportional to 57,013.08, 85,515.30 and 20,051.16 is: 30,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.08 : 85,515.30 = 20,051.16 : x
  2. Step 2: Convert to fraction form
    57,013.08/85,515.30 = 20,051.16/x
  3. Step 3: Cross multiply
    57,013.08x = 85,515.30 × 20,051.16
  4. Step 4: Simplify right side
    57,013.08x = 1,714,680,962.75
  5. Step 5: Solve for x
    x = 1,714,680,962.75/57,013.08
  6. Step 6: Final answer
    x = 30,075.22

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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.