Home / 31,349.22-43,261.93-17,920.77

Finding the Fourth Proportional to 31,349.22, 43,261.93 and 17,920.77

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Solution

The fourth proportional to 31,349.22, 43,261.93 and 17,920.77 is: 24,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.22 : 43,261.93 = 17,920.77 : x
  2. Step 2: Convert to fraction form
    31,349.22/43,261.93 = 17,920.77/x
  3. Step 3: Cross multiply
    31,349.22x = 43,261.93 × 17,920.77
  4. Step 4: Simplify right side
    31,349.22x = 775,287,097.29
  5. Step 5: Solve for x
    x = 775,287,097.29/31,349.22
  6. Step 6: Final answer
    x = 24,730.67

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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.