Home / 82,767.04-124,150.60-20,437.60

Finding the Fourth Proportional to 82,767.04, 124,150.60 and 20,437.60

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Solution

The fourth proportional to 82,767.04, 124,150.60 and 20,437.60 is: 30,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,767.04 : 124,150.60 = 20,437.60 : x
  2. Step 2: Convert to fraction form
    82,767.04/124,150.60 = 20,437.60/x
  3. Step 3: Cross multiply
    82,767.04x = 124,150.60 × 20,437.60
  4. Step 4: Simplify right side
    82,767.04x = 2,537,340,302.56
  5. Step 5: Solve for x
    x = 2,537,340,302.56/82,767.04
  6. Step 6: Final answer
    x = 30,656.41

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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.