Home / 43,081.50-64,622.27-13,501.65

Finding the Fourth Proportional to 43,081.50, 64,622.27 and 13,501.65

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Solution

The fourth proportional to 43,081.50, 64,622.27 and 13,501.65 is: 20,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,081.50 : 64,622.27 = 13,501.65 : x
  2. Step 2: Convert to fraction form
    43,081.50/64,622.27 = 13,501.65/x
  3. Step 3: Cross multiply
    43,081.50x = 64,622.27 × 13,501.65
  4. Step 4: Simplify right side
    43,081.50x = 872,507,271.75
  5. Step 5: Solve for x
    x = 872,507,271.75/43,081.50
  6. Step 6: Final answer
    x = 20,252.48

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Double scale
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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.