Home / 43,289.40-64,920.60-17,002.20

Finding the Fourth Proportional to 43,289.40, 64,920.60 and 17,002.20

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Solution

The fourth proportional to 43,289.40, 64,920.60 and 17,002.20 is: 25,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,289.40 : 64,920.60 = 17,002.20 : x
  2. Step 2: Convert to fraction form
    43,289.40/64,920.60 = 17,002.20/x
  3. Step 3: Cross multiply
    43,289.40x = 64,920.60 × 17,002.20
  4. Step 4: Simplify right side
    43,289.40x = 1,103,793,025.32
  5. Step 5: Solve for x
    x = 1,103,793,025.32/43,289.40
  6. Step 6: Final answer
    x = 25,498.00

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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.