Home / 31,316.07-43,216.19-17,168.93

Finding the Fourth Proportional to 31,316.07, 43,216.19 and 17,168.93

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Solution

The fourth proportional to 31,316.07, 43,216.19 and 17,168.93 is: 23,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.07 : 43,216.19 = 17,168.93 : x
  2. Step 2: Convert to fraction form
    31,316.07/43,216.19 = 17,168.93/x
  3. Step 3: Cross multiply
    31,316.07x = 43,216.19 × 17,168.93
  4. Step 4: Simplify right side
    31,316.07x = 741,975,740.98
  5. Step 5: Solve for x
    x = 741,975,740.98/31,316.07
  6. Step 6: Final answer
    x = 23,693.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.