Home / 31,510.67-43,484.54-17,170.47

Finding the Fourth Proportional to 31,510.67, 43,484.54 and 17,170.47

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Solution

The fourth proportional to 31,510.67, 43,484.54 and 17,170.47 is: 23,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.67 : 43,484.54 = 17,170.47 : x
  2. Step 2: Convert to fraction form
    31,510.67/43,484.54 = 17,170.47/x
  3. Step 3: Cross multiply
    31,510.67x = 43,484.54 × 17,170.47
  4. Step 4: Simplify right side
    31,510.67x = 746,649,903.68
  5. Step 5: Solve for x
    x = 746,649,903.68/31,510.67
  6. Step 6: Final answer
    x = 23,695.15

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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.