Home / 40,390.65-60,585.09-10,808.48

Finding the Fourth Proportional to 40,390.65, 60,585.09 and 10,808.48

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Solution

The fourth proportional to 40,390.65, 60,585.09 and 10,808.48 is: 16,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.65 : 60,585.09 = 10,808.48 : x
  2. Step 2: Convert to fraction form
    40,390.65/60,585.09 = 10,808.48/x
  3. Step 3: Cross multiply
    40,390.65x = 60,585.09 × 10,808.48
  4. Step 4: Simplify right side
    40,390.65x = 654,832,430.64
  5. Step 5: Solve for x
    x = 654,832,430.64/40,390.65
  6. Step 6: Final answer
    x = 16,212.48

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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.