Home / 40,430.82-55,794.66-23,438.40

Finding the Fourth Proportional to 40,430.82, 55,794.66 and 23,438.40

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Solution

The fourth proportional to 40,430.82, 55,794.66 and 23,438.40 is: 32,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,430.82 : 55,794.66 = 23,438.40 : x
  2. Step 2: Convert to fraction form
    40,430.82/55,794.66 = 23,438.40/x
  3. Step 3: Cross multiply
    40,430.82x = 55,794.66 × 23,438.40
  4. Step 4: Simplify right side
    40,430.82x = 1,307,737,558.94
  5. Step 5: Solve for x
    x = 1,307,737,558.94/40,430.82
  6. Step 6: Final answer
    x = 32,345.07

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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.