Home / 39,642.66-59,470.13-13,345.34

Finding the Fourth Proportional to 39,642.66, 59,470.13 and 13,345.34

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Solution

The fourth proportional to 39,642.66, 59,470.13 and 13,345.34 is: 20,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.66 : 59,470.13 = 13,345.34 : x
  2. Step 2: Convert to fraction form
    39,642.66/59,470.13 = 13,345.34/x
  3. Step 3: Cross multiply
    39,642.66x = 59,470.13 × 13,345.34
  4. Step 4: Simplify right side
    39,642.66x = 793,649,104.69
  5. Step 5: Solve for x
    x = 793,649,104.69/39,642.66
  6. Step 6: Final answer
    x = 20,020.08

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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.