Home / 31,820.79-43,914.67-17,673.60

Finding the Fourth Proportional to 31,820.79, 43,914.67 and 17,673.60

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Solution

The fourth proportional to 31,820.79, 43,914.67 and 17,673.60 is: 24,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.79 : 43,914.67 = 17,673.60 : x
  2. Step 2: Convert to fraction form
    31,820.79/43,914.67 = 17,673.60/x
  3. Step 3: Cross multiply
    31,820.79x = 43,914.67 × 17,673.60
  4. Step 4: Simplify right side
    31,820.79x = 776,130,311.71
  5. Step 5: Solve for x
    x = 776,130,311.71/31,820.79
  6. Step 6: Final answer
    x = 24,390.67

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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.