Home / 82,983.04-124,473.44-20,654.08

Finding the Fourth Proportional to 82,983.04, 124,473.44 and 20,654.08

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Solution

The fourth proportional to 82,983.04, 124,473.44 and 20,654.08 is: 30,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,983.04 : 124,473.44 = 20,654.08 : x
  2. Step 2: Convert to fraction form
    82,983.04/124,473.44 = 20,654.08/x
  3. Step 3: Cross multiply
    82,983.04x = 124,473.44 × 20,654.08
  4. Step 4: Simplify right side
    82,983.04x = 2,570,884,387.64
  5. Step 5: Solve for x
    x = 2,570,884,387.64/82,983.04
  6. Step 6: Final answer
    x = 30,980.84

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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.