Home / 43,528.59-65,271.02-20,171.43

Finding the Fourth Proportional to 43,528.59, 65,271.02 and 20,171.43

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Solution

The fourth proportional to 43,528.59, 65,271.02 and 20,171.43 is: 30,247.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,528.59 : 65,271.02 = 20,171.43 : x
  2. Step 2: Convert to fraction form
    43,528.59/65,271.02 = 20,171.43/x
  3. Step 3: Cross multiply
    43,528.59x = 65,271.02 × 20,171.43
  4. Step 4: Simplify right side
    43,528.59x = 1,316,609,710.10
  5. Step 5: Solve for x
    x = 1,316,609,710.10/43,528.59
  6. Step 6: Final answer
    x = 30,247.01

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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.