Home / 43,081.61-64,622.45-13,501.75

Finding the Fourth Proportional to 43,081.61, 64,622.45 and 13,501.75

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Solution

The fourth proportional to 43,081.61, 64,622.45 and 13,501.75 is: 20,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.61 : 64,622.45 = 13,501.75 : x
  2. Step 2: Convert to fraction form
    43,081.61/64,622.45 = 13,501.75/x
  3. Step 3: Cross multiply
    43,081.61x = 64,622.45 × 13,501.75
  4. Step 4: Simplify right side
    43,081.61x = 872,516,036.49
  5. Step 5: Solve for x
    x = 872,516,036.49/43,081.61
  6. Step 6: Final answer
    x = 20,252.63

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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.