Home / 30,400.72-45,381.11-26,267.32

Finding the Fourth Proportional to 30,400.72, 45,381.11 and 26,267.32

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Solution

The fourth proportional to 30,400.72, 45,381.11 and 26,267.32 is: 39,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.72 : 45,381.11 = 26,267.32 : x
  2. Step 2: Convert to fraction form
    30,400.72/45,381.11 = 26,267.32/x
  3. Step 3: Cross multiply
    30,400.72x = 45,381.11 × 26,267.32
  4. Step 4: Simplify right side
    30,400.72x = 1,192,040,138.33
  5. Step 5: Solve for x
    x = 1,192,040,138.33/30,400.72
  6. Step 6: Final answer
    x = 39,210.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.