Home / 43,002.66-64,528.91-18,040.50

Finding the Fourth Proportional to 43,002.66, 64,528.91 and 18,040.50

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Solution

The fourth proportional to 43,002.66, 64,528.91 and 18,040.50 is: 27,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,002.66 : 64,528.91 = 18,040.50 : x
  2. Step 2: Convert to fraction form
    43,002.66/64,528.91 = 18,040.50/x
  3. Step 3: Cross multiply
    43,002.66x = 64,528.91 × 18,040.50
  4. Step 4: Simplify right side
    43,002.66x = 1,164,133,800.86
  5. Step 5: Solve for x
    x = 1,164,133,800.86/43,002.66
  6. Step 6: Final answer
    x = 27,071.20

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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.