Home / 43,059.60-64,589.40-27,430.80

Finding the Fourth Proportional to 43,059.60, 64,589.40 and 27,430.80

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Solution

The fourth proportional to 43,059.60, 64,589.40 and 27,430.80 is: 41,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,059.60 : 64,589.40 = 27,430.80 : x
  2. Step 2: Convert to fraction form
    43,059.60/64,589.40 = 27,430.80/x
  3. Step 3: Cross multiply
    43,059.60x = 64,589.40 × 27,430.80
  4. Step 4: Simplify right side
    43,059.60x = 1,771,738,913.52
  5. Step 5: Solve for x
    x = 1,771,738,913.52/43,059.60
  6. Step 6: Final answer
    x = 41,146.20

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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.